Martin Ritzén

Publikationer
Forskningsbidrag
CV
Populärvetenskap och samverkan

Artiklar

Journal article: ACTA PAEDIATRICA. 2024;113(8):1949-1956

Testicular volume at puberty in boys with congenital cryptorchidism randomised to treatment at different ages

Kollin C; Nordenskjold A; Ritzen M
Article: HORMONE RESEARCH IN PAEDIATRICS. 2023;:445-455

Growth and Treatment in Congenital Adrenal Hyperplasia: An Observational Study from Diagnosis to Final Height

Gidloef S; Hogling DE; Lonnberg H; Ritzen M; Lajic S; Nordenstrom A
Article: HORMONE RESEARCH IN PAEDIATRICS. 2020;93(9-10):519-528

Metabolic Effects of Growth Hormone Treatment in Short Prepubertal Children: A Double-Blinded Randomized Clinical Trial

Tidblad A; Gustafsson J; Marcus C; Ritzen M; Ekstrom K
Article: GROWTH HORMONE & IGF RESEARCH. 2017;34:22-27

Metabolic differences between short children with GH peak levels in the lower normal range and healthy children of normal height

Tidblad A; Gustafsson J; Marcus C; Ritzen M; Ekstrom K
Article: ACTA PAEDIATRICA. 2016;105(12):1410-1412

The rise of the growth hormone era from a Swedish perspective

Ritzen M
Article: ACTA PAEDIATRICA. 2015;104(12):1286-1290

Country-based reference values and international comparisons of clitoral size in healthy Nigerian newborn infants

Jarrett OO; Ayoola OO; Jonsson B; Albertsson-Wikland K; Ritzen M
Journal article: ACTA PAEDIATRICA. 2015;104(6):641

Understanding Differences and Disorders of Sex Development (DSD). Edited by Hiort O, Ahmed SF. In the Series: Endocrine Development, vol. 27. Series editor: Mullis PE. Karger AG, Basel, CH, 2014, X+302 pp., Hard cover, 28 figs, 12 in color, 26 tab. Price CHF198, €165, $US 233. ISBN 978 3 318 02558 3.

Ritzén M
Article: ACTA PAEDIATRICA. 2015;104(1):59-67

Growth hormone treatment improves vitality and behavioural issues in children with Prader-Willi syndrome

Bohm B; Ritzen EM; Lindgren AC
Article: JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM. 2014;99(11):4328-4335

Serum Androgen Levels in Elite Female Athletes

Bermon S; Garnier PY; Hirschberg AL; Robinson N; Giraud S; Nicoli R; Baume N; Saugy M; Fenichel P; Bruce SJ; Henry H; Dolle G; Ritzen M
Article: ACTA PAEDIATRICA. 2014;103(4):442-446

Penile size in healthy Nigerian newborns: country-based reference values and international comparisons

Jarrett OO; Ayoola OO; Jonsson B; Albertsson-Wikland K; Ritzen EM
Article: PEDIATRIC ENDOCRINOLOGY REVIEWS PER. 2014;11 Suppl 2:240-250

Cryptorchidism: a clinical perspective.

Kollin C; Ritzén EM
Article: HORMONE RESEARCH IN PAEDIATRICS. 2014;82(3):158-170

Growth Hormone Dose-Dependent Pubertal Growth: A Randomized Trial in Short Children with Low Growth Hormone Secretion

Albertsson-Wikland K; Kristrom B; Lundberg E; Aronson AS; Gustafsson J; Hagenas L; Ivarsson S-A; Jonsson B; Ritzen M; Tuvemo T; Westgren U; Westphal O; Aman J
Article: HORMONE RESEARCH IN PAEDIATRICS. 2014;82(2):89-96

Risks of Malignant and Non-Malignant Tumours in Tall Women Treated with High-Dose Oestrogen during Adolescence

Benyi E; Kieler H; Linder M; Ritzen M; Carlstedt-Duke J; Tuvemo T; Westphal O; Savendahl L
Journal article: ACTA PAEDIATRICA. 2013;102(9):925

Auxology. Edited by Hermanussen M. Schweizerbart Science Publishers, Stuttgart, Germany, 2013, 324 pp, XII, 283 figures, 89 tables. Product dimensions 25 × 17 cm. Price €39. ISBN 978 3 510 65278 5.

Ritzén M
Article: LANCET DIABETES & ENDOCRINOLOGY. 2013;1(1):35-42

One hundred years of congenital adrenal hyperplasia in Sweden: a retrospective, population-based cohort study

Gidlof S; Falhammar H; Thilen A; von Dobeln U; Ritzen M; Wedell A; Nordenstrom A
Article: PEDIATRICS. 2013;131(4):e1174-e1180

Growth of Spontaneously Descended and Surgically Treated Testes During Early Childhood

Kollin C; Granholm T; Nordenskjold A; Ritzen EM
Article: JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM. 2012;97(12):4588-4595

Boys with Undescended Testes: Endocrine, Volumetric and Morphometric Studies on Testicular Function before and after Orchidopexy at Nine Months or Three Years of Age

Kollin C; Stukenborg JB; Nurmio M; Sundqvist E; Gustafsson T; Soder O; Toppari J; Nordenskjold A; Ritze EM
Journal article: ACTA PAEDIATRICA. 2011;100(1):149

Current Indications for Growth Hormone Therapy

Ritzén M
Article: HORMONE RESEARCH IN PAEDIATRICS. 2011;76(4):262-272

Does Growth Hormone Treatment Influence Pubertal Development in Short Children?

Albin A-K; Ankarberg-Lindgren C; Tuvemo T; Jonsson B; Albertsson-Wikland K; Ritzen EM
Article: HORMONE RESEARCH IN PAEDIATRICS. 2011;76(5):355-366

Insulin-Like Growth Factor-I and Insulin-Like Growth Factor Binding Protein-3 Cotreatment versus Insulin-Like Growth Factor-I Alone in Two Brothers with Growth Hormone Insensitivity Syndrome: Effects on Insulin Sensitivity, Body Composition and Linear Growth

Ekstrom K; Carlsson-Skwirut C; Ritzen EM; Bang P
Article: JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM. 2010;95(9):4133-4160

Congenital Adrenal Hyperplasia Due to Steroid 21-Hydroxylase Deficiency: An Endocrine Society Clinical Practice Guideline

Speiser PW; Azziz R; Baskin LS; Ghizzoni L; Hensle TW; Merke DP; Meyer-Bahlburg HFL; Miller WL; Montori VM; Oberfield SE; Ritzen M; White PC
Article: INTERNATIONAL JOURNAL OF PEDIATRIC ENDOCRINOLOGY. 2010;2010:494173-5

A Summary of the Endocrine Society Clinical Practice Guidelines on Congenital Adrenal Hyperplasia due to Steroid 21-Hydroxylase Deficiency.

Speiser PW; Azziz R; Baskin LS; Ghizzoni L; Hensle TW; Merke DP; Meyer-Bahlburg HFL; Miller WL; Montori VM; Oberfield SE; Ritzen M; White PC
Journal article: INTERNATIONAL JOURNAL OF PEDIATRIC ENDOCRINOLOGY. 2010;2010(1):494173

A Summary of the Endocrine Society Clinical Practice Guidelines on Congenital Adrenal Hyperplasia due to Steroid 21-Hydroxylase Deficiency

Speiser P; Azziz R; Baskin L; Ghizzoni L; Hensle T; Merke D; Meyer-Bahlburg H; Miller W; Montori V; Oberfield S; Ritzen M; White P
Article: PUBLIC HEALTH ETHICS. 2009;2(1):30-36

Ethical Issues in Cancer Register Follow-Up of Hormone Treatment in Adolescence

Hultman CM; Lindgren A-C; Hansson MG; Carlstedt-Duke J; Ritzen M; Persson I; Kieler H
Article: JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM. 2008;93(11):4342-4350

Dose-Dependent Effect of Growth Hormone on Final Height in Children with Short Stature without Growth Hormone Deficiency

Albertsson-Wikland K; Aronson AS; Gustafsson J; Hagenas L; Ivarsson SA; Jonsson B; Kristrom B; Marcus C; Nilsson KO; Ritzen EM; Tuvemo T; Westphal O; Aman J
Article: EUROPEAN JOURNAL OF ENDOCRINOLOGY. 2008;159(3):309-316

Long-term follow-up of prenatally treated children at risk for congenital adrenal hyperplasia: does dexamethasone cause behavioural problems?

Hirvikoski T; Nordenstroem A; Lindholm T; Lindblad F; Ritzen EM; Lajic S
Article: JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM. 2007;92(2):542-548

Cognitive functions in children at risk for congenital adrenal hyperplasia treated prenatally with dexamethasone

Hirvikoski T; Nordenstrom A; Lindholm T; Lindblad F; Ritzen EM; Wedell A; Lajic S
Journal article: UROLOGY. 2006;68:17

PD-05.05 When should cryptorchid boys have surgery? A prospective randomized controlled study

Kollin C; Hesser U; Ritzén M; Karpe B
Article: ACTA PAEDIATRICA. 2006;95(3):318-324

Testicular growth from birth to two years of age, and the effect of orchidopexy at age nine months: a randomized, controlled study.

Kollin C; Hesser U; Ritzén EM; Karpe B
Article: JOURNAL OF ENDOCRINOLOGY. 2006;188(2):193-203

Locally produced estrogen promotes fetal rat metatarsal bone growth;: an effect mediated through increased chondrocyte proliferation and decreased apoptosis

Chagin AS; Chrysis D; Takigawa M; Ritzen EM; Sävendahl L
Article: ACTA PAEDIATRICA. 2005;94(10):1402-1410

Growth hormone treatment in 35 prepubertal children with achondroplasia:: A five-year dose-response trial

Hertel NT; Eklöf O; Ivarsson S; Aronson S; Westphal O; Sipilä I; Kaitila I; Bland J; Veimo D; Müller J; Mohnike K; Neumeyer L; Ritzen M; Hagenäs L
Article: EUROPEAN JOURNAL OF ENDOCRINOLOGY. 2004;151:U63-U69

Prenatal treatment of congenital adrenal hyperplasia

Lajic S; Nordenström A; Ritzén EM; Wedell A
Article: MECHANISMS OF AGEING AND DEVELOPMENT. 2004;125(10-11):683-695

Partial androgen insensitivity with phenotypic variation caused by androgen receptor mutations that disrupt activation function 2 and the NH₂- and carboxyl-terminal interaction

Quigley CA; Tan JA; He B; Zhou ZX; Mebarki F; Morel Y; Forest MG; Chatelain P; Ritzén EM; French FS; Wilson EM
Article: JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM. 2003;88(7):2993-2998

The role of bilateral adrenalectomy in the treatment of congenital adrenal hyperplasia.

Van Wyk JJ; Ritzen EM
Article: JOURNAL OF ENDOCRINOLOGY. 2003;177(2):319-326

Localization of estrogen receptors-α and -β and androgen receptor in the human growth plate at different pubertal stages

Nilsson O; Chrysis D; Pajulo I; Boman A; Holst M; Rubinstein J; Ritzén EM; Sävendahl L
Article: ENDOCRINOLOGIST. 2003;13(3):219-223

Outcome of prenatal dexamethasone treatment of congenital adrenal hyperplasia

Ritzén EM; Lajic S
Article: LAKARTIDNINGEN. 2003;100(18):1626-1629

[Adrenogenital syndrome in children and adolescents--new guidelines for treatment. An international consensus conference emphasizes the need of team work].

Ritzén M; Hagenfeldt K
Article: ENDOCRINOLOGY. 2003;144(4):1481-1485

Raloxifene acts as an estrogen agonist on the rabbit growth plate

Nilsson O; Falk J; Ritzén EM; Baron J; Sävendahl L
Article: JOURNAL OF ENDOCRINOLOGY. 2003;176(3):331-337

Growth retardation induced by dexamethasone is associated with increased apoptosis of the growth plate chondrocytes

Chrysis D; Ritzen EM; Sävendahl L
Article: JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM. 2002;87(9):4048-4053

Consensus statement on 21-hydroxylase deficiency from the Lawson Wilkins Pediatric Endocrine Society and the European Society for Paediatric Endocrinology

Berenbaum S; Chrousos G; Clayton P; Cutler G; Keizer-Schrama SD; Donahoe PK; Donahoue PA; Donaldson M; Forest M; Fujieda K; Ghionizz L; Ginalska-Malinowska M; Grumbach MM; Grüters A; Hagenfeldt K; Hintz RL; Honour JW; Hughes IA; Kuhnle-Krahl U; Lee PA; Meyer-Bahlburg H; Migeon C; Miller WL; Müller J; New MI; Oberfield SE; Peter M; Ritzén EM; Saenger P; Savage MO; Schober JM; Sippell WG; Solyom J; Speiser PW; Therrell BL; Van Wyk JJ; Warne GL; White PC; Wildt L; Witchell S; Hindmarsh PC; Holmes LB; Ibañez L; Levine LS; Pang SY; Wedell A
Article: ENDOCRINE. 2002;18(3):271-278

Apoptosis is developmentally regulated in rat growth plate

Chrysis D; Nilsson O; Ritzen EM; Sävendahl L
Article: REPRODUCTION. 2002;124(1):133-140

Effect of local heating of rat testes after suppression of spermatogenesis by pretreatment with a GnRH agonist and an anti-androgen.

Setchell BP; Plöen L; Ritzen EM
Article: JOURNAL OF ENDOCRINOLOGY. 2002;173(3):407-414

Estrogen receptor-α and -β are expressed throughout postnatal development in the rat and rabbit growth plate

Nilsson O; Abad V; Chrysis D; Ritzén EM; Sävendahl L; Baron J
Article: JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM. 2002;87(6):2623-2628

An androgen receptor gene mutation (E653K) in a family with congenital adrenal hyperplasia due to steroid 21-hydroxylase deficiency as well as in partial androgen insensitivity

Giwercman YL; Nordenskjöld A; Ritzén EM; Nilsson KO; Ivarsson SA; Grandell U; Wedell A
Article: HORMONE RESEARCH IN PAEDIATRICS. 2002;58(4):188-195

Consensus statement on 21-hydroxylase deficiency from The European Society for Paediatric Endocrinology and The Lawson Wilkins Pediatric Endocrine Society

Berenbaum S; Chrousos G; Clayton P; Cutler G; Keizer-Schrama SD; Donahoe PK; Donohoue PA; Donaldson M; Forest M; Fujieda K; Ghizzoni L; Ginalska-Malinowska M; Grumbach MM; Grüters A; Hagenfeldt K; Hintz RL; Honour JW; Hughes IA; Kuhnle-Krahl U; Lee PA; Meyer-Bahlburg H; Migeon C; Miller WL; Müller J; New MI; Oberfield SE; Peter M; Ritzén EM; Saenger P; Savage MO; Schober JM; Sippell WG; Solyom J; Speiser PW; Therrell BL; Van Wyk JJ; Warne GL; White PC; Wildt L; Witchell S; Hindmarsh PC; Holmes LB; Ibañez L; Levine LS; Pang S; Wedell A
Article: HORMONE RESEARCH IN PAEDIATRICS. 2002;57(1-2):66-71

Induction of puberty in the hypogonadal girl - Practices and attitudes of pediatric endocrinologists in Europe

Kiess W; Conway G; Ritzen M; Rosenfield R; Bernasconi S; Juul A; van Pareren Y; Keizer-Schrama SMPFD; Bourguignon JP
Article: REPRODUCTION. 2001;122(2):255-263

Reduction of long-term effects of local heating of the testis by treatment of rats with a GnRH agonist and an anti-androgen.

Setchell BP; Plöen L; Ritzen EM
Journal article: JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM. 2001;86(3):1426-1427

Defective 11β-HSD Reductase Activity in a Patient with Congenital Adrenal Hyperplasia

Nordenstrom A; Marcus C; Axelson M; Wedell A; Ritzén M
Article: JOURNAL OF STEROID BIOCHEMISTRY AND MOLECULAR BIOLOGY. 2000;75(4-5):329-333

Androgen and estrogen stimulation of ornithine decarboxylase activity in mouse kidney

Svechnikov K; Ritzén EM; Holst M
Article: EUROPEAN JOURNAL OF ENDOCRINOLOGY. 2000;143(5):667-671

Bone mass and body composition of adult women with congenital virilizing 21-hydroxylase deficiency after glucocorticoid treatment since infancy

Hagenfeldt K; Ritzén EM; Ringertz H; Helleday J; Carlström K
Article: JOURNAL OF PEDIATRICS. 2000;137(1):50-55

Eating behavior in Prader-Willi syndrome, normal weight, and obese control groups

Lindgren AC; Barkeling B; Hägg A; Ritzén EM; Marcus C; Rössner S
Article: EUROPEAN JOURNAL OF ENDOCRINOLOGY. 2000;143(1):71-76

Characterisation of novel missense mutations in the GH receptor gene causing severe growth retardation

Enberg B; Luthman H; Segnestam K; Ritzén EM; Sundström M; Norstedt G
Article: ENDOCRINOLOGIST. 2000;10(4):71s-74s

Consensus statement -: Prader-Willi syndrome:: Growth hormone (GH)/insulin-like growth factor axis deficiency and GH treatment

Lee PDK; Allen DB; Angulo MA; Cappa M; Carrel AL; Castro-Magana M; Chiumello G; Davies PSW; Eiholzer U; Grugni G; Hauffa BP; Hintz RL; Lämmer C; Mogul HR; Myers SE; Partsch CJ; Pescovitz OH; Ritzen EM; Rosenfeld RG; Sipilä I; Wilson DM
Article: BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS. 1999;265(2):569-571

Disproportional body growth in female estrogen receptor-α-inactivated mice

Vidal O; Lindberg M; Sävendahl L; Lubahn DB; Ritzen EM; Gustafsson J; Ohlsson C
Article: EUROPEAN JOURNAL OF PEDIATRICS. 1999;158(11):936-940

Growth hormone treatment increases CO₂ response, ventilation and central inspiratory drive in children with Prader-Willi syndrome

Lindgren AC; Hellström LG; Ritzén EM; Milerad J
Article: LAKARTIDNINGEN. 1999;96(36):3767-3772

[Evaluation of the new admission procedures for medical education at the Karolinska Institute: selection based on tests and interviews is best].

Ritzén M; Holm U; Nicolausson M; Söderberg S; Aberg H
Article: ACTA PAEDIATRICA. 1999;88(7):729-733

Beneficial effects of dietary supplementation in a disorder with defective synthesis of cholesterol.: A case report of a girl with Smith-Lemli-Opitz syndrome, polyneuropathy and precocious puberty

Starck L; Björkhem I; Ritzén EM; Nilsson BY; von Döbeln U
Journal article: GROWTH HORMONE & IGF RESEARCH. 1999;9:143

Growth hormone therapy with Genotropin MiniQuick® offers improved convenience

Sjöblom K; Bengtsson B-Å; Bouthelier RG; Ritzen M
Article: JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM. 1999;84(4):1210-1213

Failure of cortisone acetate treatment in congenital adrenal hyperplasia because of defective 11β-hydroxysteroid dehydrogenase reductase activity

Nordenström A; Marcus C; Axelson M; Wedell A; Ritzén EM
Article: HORMONE RESEARCH IN PAEDIATRICS. 1999;52(1):11-14

Management of males with 45,X/46,XY gonadal dysgenesis.

Müller J; Ritzén EM; Ivarsson SA; Rajpert-De Meyts E; Norjavaara E; Skakkebaek NE
Article: JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM. 1999;84(1):370-373

Demonstration of estrogen receptor-β immunoreactivity in human growth plate cartilage

Nilsson LO; Boman A; Sävendahl L; Grigelioniene G; Ohlsson C; Ritzen EM; Wroblewski J
Article: HORMONE RESEARCH IN PAEDIATRICS. 1999;51(4):157-161

Growth hormone treatment of children with Prader-Willi syndrome:: Effects on glucose and insulin homeostasis

Lindgren AC; Hagenäs L; Ritzén EM
Article: HUMAN GENETICS. 1998;103(4):529-431

Functional characterisation of mutations in the ligand-binding domain of the androgen receptor gene in patients with androgen insensitivity syndrome

Giwercman YL; Nikoshkov A; Lindsten K; Bystrom B; Pousette A; Chibalin AV; Arvidsson S; Tiulpakov A; Semitcheva TV; Peterkova V; Hagenfeldt K; Ritzen EM; Wedell A
Article: JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM. 1998;83(11):3872-3880

Long-term somatic follow-up of prenatally treated children with congenital adrenal hyperplasia

Lajic S; Wedell A; Bui TH; Ritzén EM; Holst M
Article: ACTA PAEDIATRICA. 1998;87(9):991-995

Chlorinated contaminants, growth and thyroid function in schoolchildren from the Aral Sea region in Kazakhstan

Mazhitova Z; Jensen S; Ritzén M; Zetterström R
Article: PEDIATRIC RADIOLOGY. 1998;28(1):38-42

Total body bone mineral measurements in children with Prader-Willi syndrome: the influence of the skull's bone mineral content per area (BMA) and of height

Brismar TB; Lindgren AC; Ringertz H; Rosenborg M; Ritzen ME
Article: REPRODUCTION. 1998;112(1):87-94

Reduction in fluid secretion by rat testis by drugs that block potassium channels.

Setchell BP; Plöen L; Ritzen EM
Article: HORMONE RESEARCH IN PAEDIATRICS. 1998;50(4):243-244

Androgens and fetal growth

de Zegher F; Francois I; Boehmer ALM; Saggese G; Müller J; Hiort O; Sultan C; Clayton P; Brauner R; Cacciari E; Ibàñez L; Van Vliet G; Tiulpakov A; Saka N; Ritzén M; Sippell WG
Article: ACTA PAEDIATRICA. 1998;87(1):28-31

Growth hormone treatment of children with Prader-Willi syndrome affects linear growth and body composition favourably

Lindgren AC; Hagenäs L; Müller J; Blichfeldt S; Rosenborg M; Brismar T; Ritzén EM
Article: HUMAN MUTATION. 1998;:S328-S329

Novel missense mutation (P131R) in the HMG box of SRY in XY sex reversal

Lundberg Y; Ritzen M; Harlin J; Wedell A
Article: JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM. 1997;82(10):3324-3327

Prophylactic adrenalectomy of a three-year-old girl with congenital adrenal hyperplasia: Pre- and postoperative studies

Gunther DF; Bukowski TP; Ritzen EM; Wedell A; VanWyk JJ
Article: ACTA PAEDIATRICA. 1997;86(9):937-942

Reference values for height, height velocity and weight in Turner's syndrome. Swedish Study Group for GH treatment.

Rongen-Westerlaken C; Corel L; van den Broeck J; Massa G; Karlberg J; Albertsson-Wikland K; Naeraa RW; Wit JM
Journal article: CLINICAL PEDIATRIC ENDOCRINOLOGY. 1997;6(Supple10):93-98

Growth Hormone Treatment in Achondroplasia: 2 Year Results of a Dose-Response Study

Hagenäs L; Aagenaes Ø; Eklöf O; Hertel T; Kaitila I; Mohnike K; Perhentuupa J; Ritzén M; Sipilä I; Müller J
Article: AMERICAN JOURNAL OF HUMAN GENETICS. 1996;59(4):879-886

Genetic homogeneity of autoimmune polyglandular disease type I

Bjorses P; Aaltonen J; Vikman A; Perheentupa J; BenZion G; Chiumello G; Heideman P; HoorwegNijman JJG; Mathivon L; Mullis PE; Pohl M; Ritzen M; Romeo G; Shapiro MS; Smith CS; Solyom J; Zlotogora J; Peltonen L
Article: JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM. 1996;81(9):3180-3190

The use of adrenalectomy as a treatment for congenital adrenal hyperplasia.

Van Wyk JJ; Gunther DF; Ritzén EM; Wedell A; Cutler GB; Migeon CJ; New MI
Article: ACTA PAEDIATRICA. 1996;85(2):195-198

Diagnosis of the Prader-Willi syndrome by proving the absence of the unmethylated PW71 DNA fragment.

Lindgren AC; Grandell U; Ritzén EM; Anvret M
Article: JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM. 1996;81(2):635-640

Improved final height in girls with Turner's syndrome treated with growth hormone and oxandrolone

Nilsson KO; AlbertssonWikland K; Alm J; Aronson S; Gustafsson J; Hagenas L; Hager A; Ivarsson SA; Karlberg J; Kristrom B; Marcus C; Moell C; Ritzen M; Tuvemo T; Wattsgard C; Westgren U; Westphal O; Aman J
Article: ACTA PAEDIATRICA. 1995;84(8):894-898

EARLY GROWTH IS NOT INCREASED IN UNTREATED MODERATELY SEVERE 21-HYDROXYLASE DEFICIENCY

THILEN A; WOODS KA; PERRY LA; SAVAGE MO; WEDELL A; RITZEN EM
Article: JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM. 1995;80(5):1717-1723

IDENTIFICATION OF THE MAIN GONADAL AUTOANTIGENS IN PATIENTS WITH ADRENAL INSUFFICIENCY AND ASSOCIATED OVARIAN FAILURE

WINQVIST O; GEBREMEDHIN G; GUSTAFSSON J; RITZEN EM; LUNDKVIST O; KARLSSON FA; KAMPE O
Article: JOURNAL OF REPRODUCTIVE IMMUNOLOGY. 1995;28(1):75-80

Failure of thyroid allografts to function in the testes of cynomolgous monkeys.

Setchell BP; Granholm T; Ritzén EM
Journal article: PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA. 1994;91(18):8457-8461

NEPHROGENIC DIABETES-INSIPIDUS - AN X-CHROMOSOME-LINKED DOMINANT INHERITANCE PATTERN WITH A VASOPRESSIN TYPE-2 RECEPTOR GENE THAT IS STRUCTURALLY NORMAL

FRIEDMAN E; BALE AE; CARSON E; BOSON WL; NORDENSKJOLD M; RITZEN M; FERREIRA PC; JAMMAL A; DEMARCO L
Journal article: ACTA PAEDIATRICA. 1994;83:U2

16TH INTERNATIONAL-SYMPOSIUM ON GROWTH AND GROWTH DISORDERS - PROCEEDINGS OF A MEETING HELD IN LISBON, PORTUGAL 15-16 OCTOBER 1993 - FOREWORD

RITZEN M; LIPPE B; GUNNARSSON R
Journal article: PEDIATRIC RESEARCH. 1993;33(Suppl 5):s40

FIRST YEAR RESPONSE OF GROWTH IN SHORT CHILDREN WITH ACHONDROPLASIA OR HYPOCHONDROPLASIA TREATED WITH GROWTH HORMONE (GO)

Hagenäs L; Ritzén M; Eklöf O; Neumeyer L; Ollars B; Karlsson E; Müller J; Hertel NT
Journal article: PEDIATRIC RESEARCH. 1993;33(Suppl 5):s40

VERY TALL CHILDREN HAVE SIMILAR 24-H-CH LEVELS AS SHORT CHILDREN BUT HIGHER CIRCULATING INSULIN AND LESS IGFBP-1

Hagenäs L; Rítzén M; Ollars B; Karlsson E; Bang P; Hall K; Ivarsson S; Aronson S; Nilsson NÖ; Westgren U; Moëll C; Kriström B
Journal article: HORMONE RESEARCH IN PAEDIATRICS. 1993;39(3-4):99-101

Does growth hormone increase the risk of malignancies?

Ritzén EM
Journal article: LAKARTIDNINGEN. 1992;89(22):1985-1986

[Prader-Willi syndrome or Angelman syndrome? A question of maternal or paternal chromosome 15].

Ritzén M; Anvret M
Journal article: LAKARTIDNINGEN. 1990;87(50):4339-4340

[Increased incidence of testicular retention. Hormonal treatment is more and more common].

Ritzén M
Journal article: LAKARTIDNINGEN. 1990;87(17):1495-1499

[Growth hormone treatment of short stature benefits the child from the psychological point of view].

Albertsson-Wikland K; Ritzén M
Journal article: SCIENCE. 1990;247(4943):704-707

EXPRESSION OF BETA-NERVE GROWTH-FACTOR RECEPTOR MESSENGER-RNA IN SERTOLI CELLS DOWNREGULATED BY TESTOSTERONE

PERSSON H; AYERLELIEVRE C; SODER O; VILLAR MJ; METSIS M; OLSON L; RITZEN M; HOKFELT T
Journal article: ACTA PAEDIATRICA SCANDINAVICA, SUPPLEMENT. 1990;370:208-211

Genotropin 16 IU KabiVial is more convenient than conventional administration systems for children on growth hormone therapy.

Danielson K; Neumeyer L; Ritzén M
Journal article: ACTA PAEDIATRICA SCANDINAVICA. 1990;:153-154

9TH INTERNATIONAL-SYMPOSIUM ON GROWTH AND GROWTH DISORDERS - PROCEEDINGS OF A MEETING HELD IN EDINBURGH, UK, 6-7 APRIL 1990 - CLOSING REMARKS

RITZEN M
Journal article: ACTA PAEDIATRICA SCANDINAVICA, SUPPLEMENT. 1990;366:143-146

ADMINISTRATION OF GROWTH-HORMONE BY DISPOSABLE PRELOADED SYRINGES

DANIELSON K; NEUMEYER L; RITZEN M
Journal article: CLINICAL GENETICS. 1989;35(1):5-12

MOLECULAR XP-DELETION IN A MALE - SUGGESTION OF A LOCUS FOR HYPOGONADOTROPIC HYPOGONADISM DISTAL TO THE GLYCEROL KINASE AND ADRENAL HYPOPLASIA LOCI

GOONEWARDENA P; DAHL N; RITZEN M; VANOMMEN GJB; PETTERSSON U
Journal article: PEDIATRIC RESEARCH. 1988;24(4):521

THYROXINE (T4) EFFECTS ON GROWTH AND HEPATIC EPIDERMAL GROWTH-FACTOR RECEPTOR (EGF) ONTOGENY IN MICE WITH CONGENITAL HYPOTHYROIDISM (CH)

ALM J
Journal article: PEDIATRIC RESEARCH. 1988;24(4):518

GROWTH AND GROWTH-HORMONE IN CHILDREN AFTER ALLOGENEIC BONE-MARROW TRANSPLANTATION

BORGSTROM B; BOLME P
Journal article: PEDIATRIC RESEARCH. 1988;24(4):526

ENDOCRINE CHANGES IN CHILDREN AFTER ALLOGENEIC BONE-MARROW TRANSPLANTATION

BOLME P; BORGSTROM B; CARLSTROM K
Journal article: ACTA PAEDIATRICA SCANDINAVICA, SUPPLEMENT. 1988;347:176-179

Recombinant somatropin in treatment of growth hormone deficient children in Sweden and Finland.

Albertsson-Wikland K; Aronson S; Nilsson KO; Ritzén M; Tuvemo T; Westgren U; Westphal O; Perheentupa J; Sipilä I; Wilton P
Journal article: PEDIATRIC RESEARCH. 1988;23(1):117

PHARMACOKINETIC PEOFILE OF AN I.V. AND S.C. DOSE OF RECOMBINANT HUMAN GROWTH HORMONE

Wilton P; Widlund L; Guilbaud O; Ritzén M
Journal article: EXPERIMENTAL AND CLINICAL ENDOCRINOLOGY. 1987;89(1):23-30

Effects of hysterectomy and uterine extracts on the gonadotrophic hormones and the weight of endocrine organs of female rats.

Biró JC; Ritzén ME; Eneroth P
Journal article: LAKARTIDNINGEN. 1986;83(52):4462-4463

[Diagnosis and treatment of fetal congenital adrenal cortex hyperplasia].

Gustavson KH; Larsson A; Nillius SJ; Gustafsson J; Tuvemo T; Ritzén M; Haglund-Stengler B; Luthman H
Journal article: ACTA PAEDIATRICA SCANDINAVICA. 1986;75(3):388-395

TREATMENT OF CUSHINGS-DISEASE IN CHILDHOOD AND ADOLESCENCE BY STEREOTAXIC PITUITARY IRRADIATION

THOREN M; RAHN T; HALLENGREN B; KAAD PH; NILSSON KO; RAVN H; RITZEN M; PETERSEN KE; AARSKOG D
Journal article: FEBS LETTERS. 1986;199(2):242-248

PEPTIDES OF POSTULATED INHIBIN ACTIVITY - LACK OF INVITRO INHIBIN ACTIVITY OF A 94-RESIDUE PEPTIDE ISOLATED FROM HUMAN SEMINAL PLASMA, AND OF A SYNTHETIC REPLICATE OF ITS C-TERMINAL 28-RESIDUE SEGMENT

KOHAN S; FROYSA B; CEDERLUND E; FAIRWELL T; LERNER R; JOHANSSON J; KHAN S; RITZEN M; JORNVALL H; CEKAN S; DICZFALUSY E
Journal article: JOURNAL OF PEDIATRICS. 1986;108(1):162

LHRH THERAPY FOR CRYPTORCHIDISM - REPLY

KARPE B; RITZEN M
Journal article: ACTA ENDOCRINOLOGICA. 1985;110(4):564-571

INCOMPLETE ANDROGEN INSENSITIVITY - ASYMMETRY IN MORPHOLOGY AND STEROID PROFILE AND METABOLISM OF THE GONADS - AN ANALYSIS OF A CASE

FREDRICSSON B; CARLSTROM K; KJESSLER B; LINDSTEDT J; PLOEN L; RITZEN M; DELATORRE B
Journal article: INVESTIGATIVE UROLOGY. 1985;134(1):206

Carcinoma In Situ of the Testis in Children with 45,X/46,XY Gonadal Dysgenesis

Müller J; Skakkebaek NE; Ritzén M; Plöen L; Petersen KE
Journal article: JOURNAL OF PEDIATRICS. 1985;106(3):431-436

CARCINOMA INSITU OF THE TESTIS IN CHILDREN WITH 45,X/46,XY GONADAL-DYSGENESIS

MULLER J; SKAKKEBAEK NE; RITZEN M; PLOEN L; PETERSEN KE
Journal article: EXPERIENTIA. 1984;40(9):949-951

ON THE BINDING OF STEROID SULFATES TO ALBUMIN

CEKAN SZ; XING S; RITZEN M
Journal article: REPRODUCTION. 1984;70(2):443-448

CHANGES IN ISOPROTERENOL-STIMULATED ADENYLATE-CYCLASE ACTIVITY IN RAT TESTICULAR TISSUE DURING CRYPTORCHIDISM AND AFTER ORCHIDOPEXY

JAHNSEN T; KARPE B; ATTRAMADAL H; RITZEN M; HANSSON V
Journal article: INVESTIGATIVE UROLOGY. 1983;129(4):888

Intratesticular and Plasma Steroid Profiles in Fertile and Infertile Men

Torre BDL; Norén S; Hedman M; Ritzén M; Diczfalusy E
Journal article: INTERNATIONAL JOURNAL OF ANDROLOGY. 1982;5(4):367-378

INTRA-TESTICULAR AND PLASMA STEROID PROFILES IN FERTILE AND INFERTILE MEN

DELATORRE B; NOREN S; HEDMAN M; RITZEN M; DICZFALUSY E
Journal article: HORMONE RESEARCH IN PAEDIATRICS. 1982;16(1):42-48

IMPROVED INVITRO BIOASSAY OF FOLLITROPIN

RITZEN EM; FROYSA B; GUSTAFSSON B; WESTERHOLM G; DICZFALUSY E
Journal article: ORL-JOURNAL FOR OTO-RHINO-LARYNGOLOGY HEAD AND NECK SURGERY. 1982;44(3):134-141

PITUITARY-TUMOR PRODUCING ONLY THYROTROPIN

ANNIKO M; BACKLUND EO; LUNDQUIST PG; SAMUELSSON K; RITZEN M; TRIBUKAIT B; WERSALL J
Journal article: ACTA PAEDIATRICA SCANDINAVICA. 1980;69(6):803-806

RING CHROMOSOME-14 IN A MENTALLY-RETARDED GIRL

ISELIUS L; RITZEN M; BUI TH; OLSSON K; EKLOF O
Journal article: ACTA ENDOCRINOLOGICA. 1980;94(2):155-165

SOMATOMEDIN-A LEVELS IN SERUM FROM HEALTHY-CHILDREN AND FROM CHILDREN WITH GROWTH-HORMONE DEFICIENCY OR DELAYED PUBERTY

HALL K; ENBERG G; RITZEN M; SVAN H; FRYKLUND L; TAKANO K
Journal article: ANNALS OF HUMAN GENETICS. 1979;43(OCT):89-96

UNUSUAL XX-XY CHIMERISM

ISELIUS L; LAMBERT B; LINDSTEN J; TIPPETT P; GAVIN J; DANIELS G; YATES A; RITZEN M; SANDSTEDT B
Journal article: JOURNAL OF ENDOCRINOLOGY. 1979;82(3):395-401

REDUCTION OF ANDROSTENEDIONE BY SKIN INVITRO AND SERUM LEVELS OF GONADOTROPINS AND ANDROGENS IN MEN WITH HYPOSPADIAS

SVENSSON J; ENEROTH P; GUSTAFSSON JA; RITZEN M; STENBERG A
Journal article: JOURNAL OF ENDOCRINOLOGY. 1978;76(3):399-409

METABOLISM OF ANDROSTENEDIONE IN SKIN AND SERUM LEVELS OF GONADOTROPINS AND ANDROGENS IN PREPUBERTAL BOYS WITH HYPOSPADIAS

SVENSSON J; ENEROTH P; GUSTAFSSON JA; RITZEN M; STENBERG A
Journal article: ACTA ENDOCRINOLOGICA. 1977;85(3):636-643

SOMATOMEDIN A AND B IN SERUM FROM NEONATES, THEIR MOTHERS AND CORD BLOOD

SVAN H; HALL K; RITZEN M; TAKANO K; SKOTTNER A
Journal article: HEREDITAS. 1977;86(1):51-61

CAMPTOMELIC DWARFISM - GENETICALLY DETERMINED MESENCHYMAL DISORDER COMBINED WITH SEX REVERSAL

HOVMOLLER ML; OSUNA A; EKLOF O; FREDGA K; HJERPE A; LINDSTEN J; RITZEN M; STANESCU V; SVENNINGSEN N
Journal article: ACTA ENDOCRINOLOGICA. 1976;82(3):449-459

SOMATOMEDIN A IN HUMAN-SERUM, DETERMINED BY RADIORECEPTOR ASSAY

TAKANO K; HALL K; RITZEN M; ISELIUS L; SIEVERTSSON H
Journal article: EXPERIMENTAL CELL RESEARCH. 1972;70(2):462-465

Cytochemical evidence of nucleoprotein changes in rat adrenal cortex following hypophysectomy or dexamethasone suppression.

Ritzén M; Carlsson SA; Darzynkiewicz Z
Journal article: GENERAL AND COMPARATIVE ENDOCRINOLOGY. 1971;17(3):512-525

Dopamine synthesis and storage, calcium-lowering activity, and thyroidal properties of chicken ultimobranchial cells.

Almqvist S; Malmqvist E; Owman C; Ritzén M; Sundler F; Swedin G
Journal article: LAKARTIDNINGEN. 1971;68(22):2565-2566

[Can synthetic progestogenic steroids during early pregnancy cause hypospadias in the male fetus?].

Larsson KS; Lindsten J; Ritzén M; Tillinger KG
Journal article: EXPERIMENTAL CELL RESEARCH. 1970;62(1):61-75

The effects of adenosine-5'-triphosphate (ATP) on structure and amine content of rat peritoneal mast cells.

Bloom GD; Diamant B; Hägermark O; Ritzén M
Journal article: ACTA PHYSIOLOGICA. 1970;78(3):334-338

Dopamine-containing cells in sympathetic ganglia.

Björklund A; Cegrell L; Falck B; Ritzén M; Rosengren E
Journal article: NEUROPHARMACOLOGY. 1970;9(1):59-66

Monoamines and monoamine oxidase in denervated sympathetic ganglia of the cat.

Giacobini E; Karjalainen K; Kerpel-Fronius S; Ritzén M
Journal article: ACTA PHYSIOLOGICA. 1969;77(4):449-464

Mast cells and 5-HT. Intracellular release of 5-hydroxytryptamine (5-HT) from storage granules during anaphylaxis or treatment with compound 48-80.

Carlsson SA; Ritzén M
Journal article: HISTOCHEMIE. HISTOCHEMISTRY. HISTOCHIMIE. 1968;16(2):186-194

STUDIES ON UPTAKE OF INTRAVENTRICULARLY ADMINISTERED TRITIATED NORADRENALINE AND 5-HYDROXYTRYPTAMINE WITH COMBINED FLUORESCENCE HISTOCHEMICAL AND AUTORADIOGRAPHIC TECHNIQUES

FUXE K; HOKFELT T; RITZEN M; UNGERSTEDT U
Journal article: ACTA PHYSIOLOGICA. 1967;70(1):42-53

Mast cells and 5-HT. Uptake of labelled 5-hydroxytryptamine (5-HT) and 5-hydroxytryptophan in relation to storage of 5-HT in individual rat mast cells.

Ritzén M
Journal article: EXPERIMENTAL CELL RESEARCH. 1967;45(1):178-194

Quantitative fluorescence microspectrophotometry of 5-hydroxytryptamineformaldehyde products in models and in mast cells.

Ritzén M
Journal article: EXPERIMENTAL CELL RESEARCH. 1967;45(1):250-252

A method for the autoradiographic determination of absolute specific radioactivity in cells.

Ritzén M
Journal article: EXPERIMENTAL CELL RESEARCH. 1966;44(2):505-520

Quantitative fluorescence microspectrophotometry of catecholamineformaldehyde products. Model experiments.

Ritzén M
Journal article: ACTA PHYSIOLOGICA. 1966;67(3):260-270

Histochemical studies on a special catecholamine-containing cell type in sympathetic ganglia.

Norberg KA; Ritzén M; Ungerstedt U
Journal article: ACTA PHYSIOLOGICA. 1966;67(3):505-513

Microspectrofluorometric identification of metaraminol in sympathetic adrenergic neurons.

Jonsson G; Ritzén M
Journal article: EXPERIMENTAL CELL RESEARCH. 1966;42(3):415-428

Fluorescence microspectrophotometry of cellular catecholamines and 5-hydroxytryptamine.

Caspersson T; Hillarp NA; Ritzén M
Journal article: EXPERIENTIA. 1966;22(4):213-215

Combined autoradiography and fluorescence microscopy. Localization of labelled 5-hydroxytryptophan in relation to endogenous 5-hydroxytryptamine in the gastrointestinal tract.

Hammarström L; Ritzén M; Ullberg S
Journal article: BIOCHEMICAL PHARMACOLOGY. 1965;14:313-321

AUTORADIOGRAPHIC DISTRIBUTION OF 5-HYDROXYTRYPTAMINE AND 5-HYDROXYTRYPTOPHAN IN THE MOUSE.

RITZEN M; HAMMARSTROEM L; ULLBERG S
Journal article: ACTA PHYSIOLOGICA SCANDINAVICA, SUPPLEMENT. 1961;53(185):1-34

Studies on catecholamine-containing granules of specific cells in cyclostome hearts.

BLOOM G; OSTLUND E; von EULER U; LISHAJKO F; RITZEN M; ADAMS-RAY J
Journal article: NATURE. 1960;188:324-325

Storage and release of catecholamines, and the occurrence of a specific submicroscopic granulation in hearts of cyclostomes.

OSTLUND E; BLOOM G; ADAMS-RAY J; RITZEN M; SIEGMAN M; NORDENSTAM H; LISHAJKO F; von EULER U
Journal article: NORDISK MEDICIN. 1960;63:441-445

[Chromaffin cells in normal and inflamed human skin].

ADAMS-RAY J; BLOOM G; NORDENSTAM H; RHODIN J; RITZEN M
Journal article: ACTA MORPHOLOGICA NEERLANDO-SCANDINAVICA. 1960;3:131-134

Cells with autofluorescent granules in dermis of human skin and their correlation to degree of pigmentation.

ADAMS-RAY J; BLOOM G; RITZEN M
Visa fler

Alla övriga publikationer

Preprint: SSRN ELECTRONIC JOURNAL. 2022

Congenital Cryptorchidism: Spontaneously Descended Testes and Surgery at Different Ages Show Various Degrees of Impaired Testicular Growth at Puberty

Kollin C; Nordenskjold A; Ritzen M
Corrigendum: JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM. 2021;106(7):e2853

Corrigendum to: "Congenital Adrenal Hyperplasia Due to Steroid 21-Hydroxylase Deficiency: An Endocrine Society Clinical Practice Guideline".
Conference publication: HORMONE RESEARCH IN PAEDIATRICS. 2019;91:436

Metabolic effects of growth hormone treatment in short prepubertal children: a double-blinded randomized clinical trial

Tidblad A; Gustafsson J; Marcus C; Ritzen M; Ekstrom K
Letter: LAKARTIDNINGEN. 2018;115:EZF3

Åldersbestämning av asylsökande ungdomar: - Subjektiv bedömning lika bra som förment objektiva kriterier.

Ritzén M
Book chapter: ENCYCLOPEDIA OF ENDOCRINE DISEASES. 2018;p. 526-531

Undescended Testes☆

Martin RE
Conference publication: HORMONE RESEARCH IN PAEDIATRICS. 2017;88:303-304

COMPARISON OF LIPID AND GLUCOSE METABOLISM BETWEEN SHORT PREPUBERTAL CHILDREN AND HEALTHY CHILDREN OF NORMAL HEIGHT

Tidblad A; Gustafsson J; Marcus C; Ritzen M; Ekstrom K
Editorial comment: JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM. 2015;100(3):828-830

Women With Hyperandrogenism in Elite Sports: Scientific and Ethical Rationales for Regulating

Bermon S; Vilain E; Fenichel P; Ritzen M
Letter: CLINICAL ENDOCRINOLOGY. 2015;82(2):307-308

The regulations about eligibility for women with hyperandrogenism to compete in women's category are well founded. A rebuttal to the conclusions by Healy et al.

Ritzen M; Ljungqvist A; Budgett R; Garnier P-Y; Bermon S; Linden-Hirschberg A; Vilain E; Jose Martinez-Patino M
Book chapter: HANDBOOK OF SPORTS MEDICINE AND SCIENCE. 2014;p. 96-102

Hyperandrogenism and Gender Change

Ritzén M
Review: EUROPEAN JOURNAL OF CLINICAL PHARMACOLOGY. 2014;70(5):509-517

Is the decision on the use of biosimilar growth hormone based on high quality scientific evidence? - a systematic review

Fryklund L; Ritzen M; Bertilsson G; Arnlind MH
Editorial comment: AMERICAN JOURNAL OF BIOETHICS. 2013;13(5):63-65

Are the New Policies on Hyperandrogenism in Elite Female Athletes Really Out of Bounds? Response to "Out of Bounds? A Critique of the New Policies on Hyperandrogenism in Elite Female Athletes"

Bermon S; Ritzen M; Hirschberg AL; Murray TH
Editorial comment: JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM. 2012;97(6):1881-1883

Prenatal Dexamethasone Treatment of Children at Risk for Congenital Adrenal Hyperplasia: The Swedish Experience and Standpoint

Hirvikoski T; Nordenstrom A; Wedell A; Ritzen M; Lajic S
Book chapter: DIAGNOSTIC DILEMMAS: IMAGES IN ENDOCRINOLOGY. 2011;p. 213-254

JCEM ARCHIVE Congenital Adrenal Hyperplasia Due to Steroid 21-Hydroxylase Deficiency: An Endocrine Society Clinical Practice Guideline

Speiser PW; Azziz R; Baskin LS; Ghizzoni L; Hensle TW; Merke DP; Meyer-Bahlburg HFL; Miller WL; Montori VM; Oberfield SE; Ritzen M; White PC
Corrigendum: JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM. 2010;95(11):S137

Congenital Adrenal Hyperplasia Due to Steroid 21-Hydroxylase Deficiency: An Endocrine Society Clinical Practice Guideline (vol 95, pg 4133, 2010)

Speiser PW; Azziz R; Baskin LS; Ghizzoni L; Hensle TW; Merke DP; Meyer-Bahlburg HFL; Miller WL; Montori V; Oberfield SE; Ritzen M; White PC
Review: PEDIATRIC ENDOCRINOLOGY REVIEWS PER. 2009;7(1):32-37

Management of undescended testes: how and when?

Ritzén EM; Kollin C
Corrigendum: NATURE CLINICAL PRACTICE ENDOCRINOLOGY AND METABOLISM. 2009;5(2):122

Treating fetal thyroid and adrenal disorders through the mother (vol 4, pg 675, 2008)

Van Vliet G; Polak M; Ritzen EM
Conference publication: HORMONE RESEARCH IN PAEDIATRICS. 2009;72:112

rhIGF-I therapy in combination with IGFBP-3 or alone in severe primary IGF-I deficiency (PIGFD) due to a GHR mutation (Laron syndrome): effects on longitudinal growth, body composition and insulin sensitivity

Ekstrom K; Carlsson-Skwirut C; Ritzen ME; Bang P
Review: NATURE CLINICAL PRACTICE ENDOCRINOLOGY AND METABOLISM. 2008;4(12):675-682

Treating fetal thyroid and adrenal disorders through the mother.

Van Vliet G; Polak M; Ritzén EM
Published conference paper: EUROPEAN JOURNAL OF ENDOCRINOLOGY. 2008;159 Suppl 1:S87-S90

Undescended testes: a consensus on management.

Ritzén EM
Review: LAKARTIDNINGEN. 2008;105(9):629-633

[Boy or girl--don't ever guess! Diagnosis and treatment of sex differentiation disorders].

Nordenström A; Nordenskjöld A; Frisén L; Wedell A; Ritzén M
Published conference paper: JOURNAL OF UROLOGY. 2007;178(4 Pt 2):1589-1593

Surgical treatment of unilaterally undescended testes: testicular growth after randomization to orchiopexy at age 9 months or 3 years.

Kollin C; Karpe B; Hesser U; Granholm T; Ritzén EM
Letter: ACTA PAEDIATRICA. 2007;96(9):1369-1370

Treatment of cryptorchidism

Ritzen M
Editorial comment: ACTA PAEDIATRICA. 2007;96(5):607

Treatment of undescended testicles -: how, when and where?

Ritzen M
Review: ACTA PAEDIATRICA. 2007;96(5):628-630

Efficacy and safety of hormonal treatment of cryptorchidism:: current state of the art

Thorsson AV; Christiansen P; Ritzen M
Review: ACTA PAEDIATRICA. 2007;96(5):622-627

Development and descent of the testis in relation to cryptorchidism

Virtanen HE; Cortes D; Meyts ER-D; Ritzen EM; Nordenskjold A; Skakkebaek NE; Toppari J
Review: ACTA PAEDIATRICA. 2007;96(5):638-643

Nordic consensus on treatment of undescended testes

Martin Ritzen E; Bergh A; Bjerknes R; Christiansen P; Cortes D; Haugen SE; Jorgensen N; Kollin C; Lindahl S; Lackgren G; Main KM; Nordenskjoeld A; Rajpert-De Meyts E; Soder O; Taskinen S; Thorsson A; Thorup J; Toppari J; Virtanen H
Conference publication: HORMONE RESEARCH IN PAEDIATRICS. 2006;65:8-9

Long-term effects of prenatal treatment with glucocorticolds in CAH

Hirvikoski T; Nordenstrom A; Lindholm T; Lindblad F; Ritzen M; Wedell A; Lajic S
Review: ENDOCRINE DEVELOPMENT. 2005;8:126-136

Very long-term follow-up of girls with early and late menarche.

Johansson T; Ritzén EM
Editorial comment: GROWTH HORMONE & IGF RESEARCH. 2004;14:S59

Transition from pediatric to adult endocrinology

Ritzén M; Bengtsson BA
Review: ENDOCRINE DEVELOPMENT. 2003;5:1-23

Male sex determination and prenatal differentiation of the testis.

Töhönen V; Ritzén EM; Nordqvist K; Wedell A
Published conference paper: HORMONE RESEARCH IN PAEDIATRICS. 2003;60 Suppl 3:31-34

Early puberty: what is normal and when is treatment indicated?

Ritzén EM
Review: ENDOCRINE REVIEWS. 2001;22(6):787-799

Endocrine dysfunction in Prader-Willi syndrome: a review with special reference to GH.

Burman P; Ritzén EM; Lindgren AC
Review: SEMINARS IN FETAL & NEONATAL MEDICINE. 2001;6(4):357-362

Prenatal dexamethasone treatment of fetuses at risk for congenital adrenal hyperplasia: benefits and concerns.

Ritzén EM
Letter: JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM. 2001;86(3):1426-1427

Defective 11β-HSD reductase activity in a patient with congenital adrenal hyperplasia

Nordenstrom A; Marcus C; Axelson M; Wedell A; Ritzén M
Editorial comment: APMIS. 2001;109:S122-S123

Disorders linked to insufficient androgen action in male children -: Discussion

Skakkebæk N; Sultan C; Hughes I; Joffe M; Soto A; Ritzén M
Editorial comment: APMIS. 2001;109:S134

The effects of estrogens on linear bone growth.: Discussion

Meyer H; Juul A; Müller J; Sippell WF; Sharpe R; Grumbach M; Ritzén M
Editorial comment: APMIS. 2001;109:S169-S170

Trends in pubertal development in Europe -: Discussion

Sultan C; Keizer-Schrama SD; Sandberg D; Lee P; Ritzén M; Soto A; Morris I; Skakkebæk N; Swan S
Editorial comment: APMIS. 2001;109:S504

Neonatal exposure to potent and environmental oestrogens and abnormalities of the male reproductive system in the rat:: evidence for the importance of the androgen-oestrogen balance and assessment of the relevance to man -: Discussion

McLachlan J; Sharpe R; Sultan C; Ritzén M
Editorial comment: APMIS. 2001;109:S539

Threshold analysis of selected dose-response data for endocrine active chemicals -: Discussion

Skakkebæk N; Sheehan D; Ritzén M; Grumbach M; Swan S; Kogevinas M; Gray E
Editorial comment: APMIS. 2001;109:S74-S79

Trends in male reproductive disorders -: General discussion

Jorgensen N; Swan S; Toppari J; Kogevinas M; Swan S; Lee P; Jouannet P; Moller H; Joffe M; Guo S; Newbold R; Partsch CJ; Grumbach M; Wang C; Gies A; Ritzén M; Sharpe R; McLachlan J; Hughes I
Published conference paper: JOURNAL OF STEROID BIOCHEMISTRY AND MOLECULAR BIOLOGY. 2000;74(5):383-386

Estrogens and human growth

Ritzén EM; Nilsson O; Grigelioniene G; Holst M; Sävendahl L; Wroblewski J
Review: LAKARTIDNINGEN. 2000;97(5):449-457

[Boy or girl? Molecular mechanisms in sex differentiation].

Wedell A; Ritzén M; Nordenskjöld A
Editorial comment: JOURNAL OF PEDIATRIC ENDOCRINOLOGY & METABOLISM. 2000;13:1319-1320

29^th International Symposium on Growth Hormone and Growth Factors in Endocrinology and Metabolism -: Proceedings of a meeting held in Marrakech, Morocco -: 7-8 April 2000 -: Foreword

Cohen P; Czernichow P; Lippe B; Ritzén M
Published conference paper: HORMONE RESEARCH IN PAEDIATRICS. 2000;53:34-37

How can molecular biology contribute to the management of congenital adrenal hyperplasia?

Ritzén EM; Lajic S; Wedell A
Published conference paper: ACTA PAEDIATRICA, INTERNATIONAL JOURNAL OF PAEDIATRICS, SUPPLEMENT. 1999;88(433):109-111

Five years of growth hormone treatment in children with Prader-Willi syndrome. Swedish National Growth Hormone Advisory Group.

Lindgren AC; Ritzén EM
Published conference paper: JOURNAL OF PEDIATRIC ENDOCRINOLOGY & METABOLISM. 1999;12:345-349

Growth hormone treatment of patients with Prader-Willi syndrome

Ritzén EM; Lindgren AC; Hagenäs L; Marcus C; Müller J; Blichfeldt S
Published conference paper: ACTA PAEDIATRICA, INTERNATIONAL JOURNAL OF PAEDIATRICS, SUPPLEMENT. 1999;88(428):80-84

Effect of growth hormone (GH) during puberty in GH-deficient children:: preliminary results from an ongoing randomized trial with different dose regimens

Wikland KA; Alm F; Aronsson S; Gustafsson J; Hagenäs L; Häger A; Ivarsson S; Kriström B; Marcus C; Moëll C; Nilsson KO; Ritzén M; Tuvemo T; Westgren U; Westphal O; Åman J
Editorial comment: TRENDS IN ENDOCRINOLOGY AND METABOLISM. 1998;9(7):293-295

Prenatal treatment of congenital adrenal hyperplasia: a commentary.

Ritzén EM
Review: LAKARTIDNINGEN. 1997;94(50):4781-4786

[Prenatal diagnosis and treatment of adrenogenital syndrome. Prevent virilization of female fetuses].

Lajic S; Bui TH; Holst M; Ritzén M; Wedell A
Published conference paper: ACTA PAEDIATRICA, INTERNATIONAL JOURNAL OF PAEDIATRICS, SUPPLEMENT. 1997;86:60-62

Effects of growth hormone treatment on growth and body composition in Prader-Willi syndrome: A preliminary report

Lindgren AC; Hagenas L; Muller J; Blichfeldt S; Rosenborg M; Brismar T; Ritzen EM
Editorial comment: ACTA PAEDIATRICA. 1997;86:164

Early influences on embryonic and placental growth - Discussion

Rosenfeld RG; Robinson JS; Habenor; Ritzen M
Letter: ACTA PAEDIATRICA. 1996;85(6):761

Are infants insensitive to androgen? Comments

Ritzen EM; Thilen A; Woods KA; Perry LA; Savage MO; Wedell A
Editorial comment: JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM. 1996;81(9):3182-3184

Adrenals of patients with severe forms of congenital adrenal hyperplasia do more harm than good!

Ritzen EM; Wedell A
Conference publication: AMERICAN JOURNAL OF HUMAN GENETICS. 1993;53(3):423

NEPHROGENIC DIABETES-INSIPIDUS - A NOVEL X-LINKED DOMINANT INHERITANCE PATTERN AND NORMAL STRUCTURAL V2 RECEPTOR GENE

DEMARCO L; BALE AE; CARSON E; BOSON W; NORDENSKJOLD M; RITZEN M; FERREIRA PC; FRIEDMAN E
Book chapter: PRADER-WILLI SYNDROME: NATO ASI SERIES. 1992;p. 175-180

Diminished 24 Hour Urinary Growth Hormone Excretion in Patients With Prader-Willi Syndrome

Blichfeldt S; Main K; Ritzén M; Skakkebaek NE
Conference publication: CYTOGENETIC AND GENOME RESEARCH. 1987;46(1-4):621

DELETION IN XP ASSOCIATED WITH GLYCEROL KINASE-DEFICIENCY, ADRENAL APLASIA AND HYPOGONADOTROPIC HYPOGONADISM

GOONEWARDENA P; DAHL N; RITZEN M; JOHNSEN E; PETTERSSON U
Conference publication: NEUROENDOCRINOLOGY LETTERS. 1983;5(6):408

MELATONIN AND CORTISOL SECRETION IN CHILDREN WITH PRADER-WILLI SYNDROME AND WITH SIMPLE OBESITY

BOLME P; HALL K; RITZEN M; WETTERBERG L
Conference publication: PEDIATRIC RESEARCH. 1978;12(11):1087

MECHANISMS OF SERTOLI CELL DAMAGE IN EXPERIMENTAL CRYPTORCHIDISM IN RAT

RITZEN M
Conference publication: PEDIATRIC RESEARCH. 1975;9(8):684

SERTOLI CELL FUNCTION DURING INITIATION AND MAINTENANCE OF SPERMATOGENESIS

RITZEN M; HAGENAS L; SVAN H
Book chapter: ZWEITER INTERNATIONALER KONGREß FÜR HISTO- UND CYTOCHEMIE / SECOND INTERNATIONAL CONGRESS OF HISTO- AND CYTOCHEMISTRY / DEUXIÈME CONGRÈS INTERNATIONAL D’HISTOCHIMIE ET DE CYTOCHIMIE. 1964;p. 187-190

Physical and quantitative Methods, Autoradiography

Ritzén M; Gahrton G; Carlson L; Goldstein DJ; Friberg U; Burke JF; Rappay G; van Duijn P; Bosque PG; Werner G; Khrushchov NG; Kunz J
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Professor Emeritus/Emerita, Kvinnors och barns hälsa, Karolinska Institutet, 2021-2024

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