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Renata C Scalco Unidade de Endocrinologia Genetica, Laboratorio de Endocrinologia Celular e Molecular LIM/25, Disciplina de Endocrinologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, São Paulo, Brazil
Disciplina de Endocrinologia, Faculdade de Ciências Médicas da Santa Casa de São Paulo, São Paulo, São Paulo, Brazil
Unidade de Endocrinologia do Desenvolvimento, Laboratorio de Hormonios e Genetica Molecular LIM/42, Disciplina de Endocrinologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, São Paulo, Brazil

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Ericka B Trarbach Unidade de Endocrinologia Genetica, Laboratorio de Endocrinologia Celular e Molecular LIM/25, Disciplina de Endocrinologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, São Paulo, Brazil

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Edoarda V A Albuquerque Unidade de Endocrinologia Genetica, Laboratorio de Endocrinologia Celular e Molecular LIM/25, Disciplina de Endocrinologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, São Paulo, Brazil

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Thais K Homma Unidade de Endocrinologia Genetica, Laboratorio de Endocrinologia Celular e Molecular LIM/25, Disciplina de Endocrinologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, São Paulo, Brazil

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Thais H Inoue-Lima Unidade de Endocrinologia Genetica, Laboratorio de Endocrinologia Celular e Molecular LIM/25, Disciplina de Endocrinologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, São Paulo, Brazil

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Mirian Y Nishi Unidade de Endocrinologia do Desenvolvimento, Laboratorio de Hormonios e Genetica Molecular LIM/42, Disciplina de Endocrinologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, São Paulo, Brazil

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Berenice B Mendonca Unidade de Endocrinologia do Desenvolvimento, Laboratorio de Hormonios e Genetica Molecular LIM/42, Disciplina de Endocrinologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, São Paulo, Brazil

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Alexander A L Jorge Unidade de Endocrinologia Genetica, Laboratorio de Endocrinologia Celular e Molecular LIM/25, Disciplina de Endocrinologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, São Paulo, Brazil

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, affecting approximately 25–50 per 100,000 females. Hypergonadotropic hypogonadism is a frequent manifestation, present in more than 95% of TS patients. Therefore, most patients will need hormone replacement therapy (HRT) for puberty induction, attaining of

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Nathalie Ly Department of Endocrinology and Reproductive Medicine, Reference Center for Rare Endocrine Diseases of Growth and Development, Reference Center for Gynecological Rare Diseases, Hôpitaux Universitaires Pitié Salpêtrière-Charles Foix, Paris, France
EndoERN, APHP Consortium Pitie Salpetriere Hospital, Necker Hospital, Paris, France

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Sophie Dubreuil Department of Endocrinology and Reproductive Medicine, Reference Center for Rare Endocrine Diseases of Growth and Development, Reference Center for Gynecological Rare Diseases, Hôpitaux Universitaires Pitié Salpêtrière-Charles Foix, Paris, France
EndoERN, APHP Consortium Pitie Salpetriere Hospital, Necker Hospital, Paris, France

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Philippe Touraine Department of Endocrinology and Reproductive Medicine, Reference Center for Rare Endocrine Diseases of Growth and Development, Reference Center for Gynecological Rare Diseases, Hôpitaux Universitaires Pitié Salpêtrière-Charles Foix, Paris, France
EndoERN, APHP Consortium Pitie Salpetriere Hospital, Necker Hospital, Paris, France
Sorbonne University, Paris, France

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Höybye C Carroll P Gordon MB Birkegård AC Kelepouris N Nedjatian N Weber MM . Pregnancy outcomes in women receiving growth hormone replacement therapy enrolled in the NordiNet® International Outcome Study (IOS) and the American Norditropin

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Jennifer K Y Ko Department of Women’s Health, University College London Hospital, London, UK

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Thomas F J King Department of Women’s Health, University College London Hospital, London, UK

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Louise Williams Department of Women’s Health, University College London Hospital, London, UK

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Sarah M Creighton Department of Women’s Health, University College London Hospital, London, UK

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Gerard S Conway Department of Women’s Health, University College London Hospital, London, UK

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after completion of puberty ( 2 ). Hormone replacement therapy (HRT) is required after gonadectomy in order to maintain secondary sexual characteristics, bone and cardiovascular health and to promote general wellbeing and sexual function. In the study by

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Kjersti S Bakken Women’s Clinic, Innlandet Hospital Trust, Lillehammer, Norway
Center for International Health, University of Bergen, Bergen, Norway

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Kristina Randjelovic Nermo Center for International Health, University of Bergen, Bergen, Norway
Department of Microbiology, Innlandet Hospital Trust, Lillehammer, Norway

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Bjørn Gunnar Nedrebø Department of Medicine, Haugesund Hospital, Haugesund, Norway
Department of Clinical Science, University of Bergen, Bergen, Norway

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Tim I M Korevaar Academic Center for Thyroid Diseases, Erasmus University Medical Center, Rotterdam, the Netherlands

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Tor A Strand Center for International Health, University of Bergen, Bergen, Norway
Department of Research, Innlandet Hospital Trust, Lillehammer, Norway

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provided with two separate files which were combined using the pseudonymized patient identification numbers. Thyroid treatment was coded into three categories based on the ATC-codes: (i) thyroid hormone replacement therapy, which included women that had

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Carina Ankarberg-Lindgren Department of Pediatrics, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

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Aneta Gawlik Department of Pediatrics and Pediatric Endocrinology, Medical University of Silesia, School of Medicine, Katowice, Poland

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Berit Kriström Department of Clinical Sciences/Pediatrics, Umeå University, Umeå, Sweden

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Laura Mazzanti Pediatric Endocrinology and Rare Disease Unit, Department of Medical and Surgical Science, University of Bologna, Bologna, Italy

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Elisabeth J Ruijgrok Department of Pharmacy, Erasmus Medical Center – Sophia Children’s Hospital, University Medical Center Rotterdam, Rotterdam, the Netherlands

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Theo C J Sas Department of Pediatric Endocrinology, Sophia Children’s Hospital, University Medical Center Rotterdam, Rotterdam, the Netherlands
Diabeter, National Diabetes Care and Research Center, Rotterdam, the Netherlands

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Objective

Transdermal estradiol patches are primarily designed for adult women. No low-dose patches are licensed for pubertal induction in hypogonadal girls. Low doses can be achieved by cutting a matrix patch into smaller pieces. However, the manufacturers do not guarantee stability or utility of cut estradiol patches. The aim of the study was to assess 1-month stability of cut estradiol patches from four different manufacturers in the laboratory at room temperature (+21°C) and at an elevated temperature (+35°C).

Design and methods

Estraderm MX 50 µg, Systen 50 µg and Oesclim 25 µg matrix patches were cut into eight pieces while Estradot 50 µg small patches were cut in half. The cut patches were stored in their respective pouches at +21°C or at +35°C for up to 1 month. The estradiol drug was extracted from the patch by ethyl acetate n-hexane and determined by radioimmunoassay.

Results

Storage at +21°C or +35°C up to 1 month did not reduce the estradiol concentration in Estraderm MX, Systen and Oesclim patches. However, although the estradiol in Estradot patches was not affected by storage at +21°C, at +35°C, estradiol decreased by 57% (±1%) in cut pieces.

Conclusions

Unused Estraderm MX, Systen and Oesclim patch pieces may be stored for at least 1 month at ≤+35°C. Where estradiol patches for children are not available, cut pieces of these or similar patches can be used for pubertal induction. The Estradot patch was too small to properly cut into low doses and not stable in elevated temperatures.

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Trine Holm Johannsen Department of Growth and Reproduction, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
International Centre for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark

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Jakob Albrethsen Department of Growth and Reproduction, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
International Centre for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark

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Vassos Neocleous The Cyprus Institute of Neurology and Genetics, Department of Molecular Genetics, Function and Therapy, Nicosia, Cyprus

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Federico Baronio S. Orsola-Malpighi University Hospital, Department of Medical and Surgical Sciences, Bologna, Italy

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Martine Cools Department of Pediatrics, Division of Pediatric Endocrinology, Ghent University Hospital and Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium

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Lise Aksglaede Department of Growth and Reproduction, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
International Centre for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark

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Niels Jørgensen Department of Growth and Reproduction, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
International Centre for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark

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Peter Christiansen Department of Growth and Reproduction, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
International Centre for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark

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Meropi Toumba The Cyprus Institute of Neurology and Genetics, Department of Molecular Genetics, Function and Therapy, Nicosia, Cyprus
Pediatric Endocrinology Clinic, Department of Pediatrics, Aretaeio Hospital, Nicosia, Cyprus

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Pavlos Fanis The Cyprus Institute of Neurology and Genetics, Department of Molecular Genetics, Function and Therapy, Nicosia, Cyprus

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Marie Lindhardt Ljubicic Department of Growth and Reproduction, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
International Centre for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark

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Anders Juul Department of Growth and Reproduction, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
International Centre for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
Department of Clinical Medicine, University of Copenhagen, Denmark

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calculated as weight (kg) divided by height (m) squared. Body surface area (BSA) was calculated according to the formula by the Du Bois method: BSA = 0.007184 × weight (kg) 0.425 × height (cm) 0.725 ( 11 ); and (iv) hormone replacement therapy: total dose

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Izabelle Lövgren Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK

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Azadeh Abravan Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
Radiotherapy Related Research, The Christie NHS Foundation Trust, Manchester, UK

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Abigail Bryce-Atkinson Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK

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Marcel van Herk Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
Radiotherapy Related Research, The Christie NHS Foundation Trust, Manchester, UK

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-term quality of life for the patients but also benefit the healthcare system financially by reducing the overall treatment costs, as life-long hormone replacement therapy may be avoided. This review aims to address the late effects of cranial RT on the

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Corina Verónica Sasso Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), CCT-Mendoza CONICET, Mendoza, Argentina

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Flavia Eliana Santiano Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), CCT-Mendoza CONICET, Mendoza, Argentina
Universidad de Mendoza, Mendoza, Argentina

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Fiorella Campo Verde Arboccó Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), CCT-Mendoza CONICET, Mendoza, Argentina
Universidad de Mendoza, Mendoza, Argentina

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Leila Ester Zyla Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), CCT-Mendoza CONICET, Mendoza, Argentina

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Silvana Noemí Semino Hospital Universitario, Universidad Nacional de Cuyo, Mendoza, Argentina

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Martin Eduardo Guerrero-Gimenez Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), CCT-Mendoza CONICET, Mendoza, Argentina

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Virginia Pistone Creydt Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), CCT-Mendoza CONICET, Mendoza, Argentina

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Constanza Matilde López Fontana Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), CCT-Mendoza CONICET, Mendoza, Argentina

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Rubén Walter Carón Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), CCT-Mendoza CONICET, Mendoza, Argentina

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with previous studies describing that the effects produced by P4 are opposite to those of E2 ( 18 ). In addition, there are also studies showing that estrogen-only hormone replacement therapy does not produce changes in the prevalence or survival after

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Emmanuelle Noirrit Inserm U1048 (I2MC), CHU de Toulouse and Université Toulouse III, I2MC, Toulouse, France
Faculté de Chirurgie Dentaire, Université de Toulouse III, Toulouse, France

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Mélissa Buscato Inserm U1048 (I2MC), CHU de Toulouse and Université Toulouse III, I2MC, Toulouse, France

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Marion Dupuis Inserm U1048 (I2MC), CHU de Toulouse and Université Toulouse III, I2MC, Toulouse, France

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Bernard Payrastre Inserm U1048 (I2MC), CHU de Toulouse and Université Toulouse III, I2MC, Toulouse, France
CHU de Toulouse, Laboratoire d’Hématologie, Toulouse, France

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Coralie Fontaine Inserm U1048 (I2MC), CHU de Toulouse and Université Toulouse III, I2MC, Toulouse, France

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Jean-François Arnal Inserm U1048 (I2MC), CHU de Toulouse and Université Toulouse III, I2MC, Toulouse, France

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Marie-Cécile Valera Inserm U1048 (I2MC), CHU de Toulouse and Université Toulouse III, I2MC, Toulouse, France
Faculté de Chirurgie Dentaire, Université de Toulouse III, Toulouse, France

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.1161/CIRCULATIONAHA.106.642280 ) 17309934 7 Modena MG Sismondi P Mueck AO Kuttenn F Lignieres Bd Verhaeghe J Foidart JM Caufriez A Genazzani AR & TREAT . New evidence regarding hormone replacement therapies is urgently required transdermal

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Henrik H Thomsen Medical Research Laboratories, Departments of Clinical Biochemistry, Molecular Medicine, Department of Clinical Genetics, Department of Endocrinology and Internal Medicine, Clinical Institute, Aarhus University Hospital, Nørrebrogade 44, DK-8000 Aarhus C, Denmark

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Holger J Møller Medical Research Laboratories, Departments of Clinical Biochemistry, Molecular Medicine, Department of Clinical Genetics, Department of Endocrinology and Internal Medicine, Clinical Institute, Aarhus University Hospital, Nørrebrogade 44, DK-8000 Aarhus C, Denmark

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Christian Trolle Medical Research Laboratories, Departments of Clinical Biochemistry, Molecular Medicine, Department of Clinical Genetics, Department of Endocrinology and Internal Medicine, Clinical Institute, Aarhus University Hospital, Nørrebrogade 44, DK-8000 Aarhus C, Denmark

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Kristian A Groth Medical Research Laboratories, Departments of Clinical Biochemistry, Molecular Medicine, Department of Clinical Genetics, Department of Endocrinology and Internal Medicine, Clinical Institute, Aarhus University Hospital, Nørrebrogade 44, DK-8000 Aarhus C, Denmark

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Anne Skakkebæk Medical Research Laboratories, Departments of Clinical Biochemistry, Molecular Medicine, Department of Clinical Genetics, Department of Endocrinology and Internal Medicine, Clinical Institute, Aarhus University Hospital, Nørrebrogade 44, DK-8000 Aarhus C, Denmark

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Anders Bojesen Medical Research Laboratories, Departments of Clinical Biochemistry, Molecular Medicine, Department of Clinical Genetics, Department of Endocrinology and Internal Medicine, Clinical Institute, Aarhus University Hospital, Nørrebrogade 44, DK-8000 Aarhus C, Denmark

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Christian Høst Medical Research Laboratories, Departments of Clinical Biochemistry, Molecular Medicine, Department of Clinical Genetics, Department of Endocrinology and Internal Medicine, Clinical Institute, Aarhus University Hospital, Nørrebrogade 44, DK-8000 Aarhus C, Denmark

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Claus H Gravholt Medical Research Laboratories, Departments of Clinical Biochemistry, Molecular Medicine, Department of Clinical Genetics, Department of Endocrinology and Internal Medicine, Clinical Institute, Aarhus University Hospital, Nørrebrogade 44, DK-8000 Aarhus C, Denmark
Medical Research Laboratories, Departments of Clinical Biochemistry, Molecular Medicine, Department of Clinical Genetics, Department of Endocrinology and Internal Medicine, Clinical Institute, Aarhus University Hospital, Nørrebrogade 44, DK-8000 Aarhus C, Denmark

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controls. The design was a randomized crossover study. Both groups underwent a 2 month wash-out period from hormone replacement therapy (HRT) and oral contraceptive therapy (OCT) respectively. Subjects were examined at the end of each 2-month period. The

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