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Yuting Shao Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, Shandong, China

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Xiaole Hu Department of Operating Room, Qilu Hospital of Shandong University, Shandong, China

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Yuxi Wang Department of Breast and Thyroid Surgery, People’s Hospital of Mengyin County, Linyi, Shandong, China

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Yi Shao Department of Thyroid Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, China

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Luchuan Li Department of Thyroid Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, China

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Qingdong Zeng Department of Thyroid Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, China

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Hong Lai Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, Shandong, China

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Lei Sheng Department of Thyroid Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, China

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.28) ETE 0.951  Negative 1194 (40.7) 16.90 (9.67)  Positive 1738 (59.3) 17.12 (9.23) 25(OH)D, 25-hydroxyvitamin D; ETE, extrathyroidal extension; IQR, interquartile range; LNM, lymph node metastasis

Article Type:
Research Article
Collections:
Thyroid
DOI:
https://doi.org/10.1530/EC-23-0373
Volume/Issue:
Volume 13: Issue 1
Open access
Ann R Webb Department of Earth and Environmental Sciences, University of Manchester, Manchester, UK

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Rehab Alghamdi Department of Earth and Environmental Sciences, University of Manchester, Manchester, UK
Department of Clinical Nutrition, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia

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Richard Kift Department of Earth and Environmental Sciences, University of Manchester, Manchester, UK

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Lesley E Rhodes Centre for Dermatology Research, School of Biological Sciences, The University of Manchester and Salford Royal NHS Foundation Trust, Manchester, UK

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vitamin D status some, or all, of the time ( 6 , 7 ). Given the often stated assessment that 90% of the body’s vitamin D supply is synthesised within the skin, low vitamin D status, determined by circulating 25-hydroxyvitamin D (25OHD) level, also implies

Article Type:
Review Article
Collections:
Vitamin D
DOI:
https://doi.org/10.1530/EC-21-0308
Volume/Issue:
Volume 10: Issue 10
Open access
Yessica Agudelo-Zapata Division of Endocrinology, Department of Internal Medicine, School of Medicine, Universidad Nacional de Colombia, Bogotá, Colombia

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Luis Miguel Maldonado-Acosta Division of Endocrinology, Department of Internal Medicine, School of Medicine, Universidad Nacional de Colombia, Bogotá, Colombia

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Héctor Fabio Sandoval-Alzate Department of Human Nutrition, School of Medicine, Universidad Nacional de Colombia, Bogotá, Colombia

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Natalia Elvira Poveda Department of Physiology, School of Medicine, Universidad Nacional de Colombia, Bogotá, Colombia

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María Fernanda Garcés Department of Physiology, School of Medicine, Universidad Nacional de Colombia, Bogotá, Colombia

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Jonathan Alexander Cortés-Vásquez Department of Physiology, School of Medicine, Universidad Nacional de Colombia, Bogotá, Colombia

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Andrés Felipe Linares-Vaca Department of Physiology, School of Medicine, Universidad Nacional de Colombia, Bogotá, Colombia

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Carlos Alejandro Mancera-Rodríguez Department of Physiology, School of Medicine, Universidad Nacional de Colombia, Bogotá, Colombia

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Shahar Alexandra Perea-Ariza Department of Physiology, School of Medicine, Universidad Nacional de Colombia, Bogotá, Colombia

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Karen Yuliana Ramírez-Iriarte Department of Physiology, School of Medicine, Universidad Nacional de Colombia, Bogotá, Colombia

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Camilo Andrés Castro-Saldarriaga Department of Physiology, School of Medicine, Universidad Nacional de Colombia, Bogotá, Colombia

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Juan Manuel Arteaga-Diaz Division of Endocrinology, Department of Internal Medicine, School of Medicine, Universidad Nacional de Colombia, Bogotá, Colombia

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Roberto Franco-Vega Division of Endocrinology, Department of Internal Medicine, School of Medicine, Universidad Nacional de Colombia, Bogotá, Colombia

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Edith Ángel-Müller Department of Obstetrics and Gynecology, School of Medicine, Universidad Nacional de Colombia, Bogotá, Colombia

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Arturo José Parada-Baños Department of Obstetrics and Gynecology, School of Medicine, Universidad Nacional de Colombia, Bogotá, Colombia

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Jorge E Caminos Department of Physiology, School of Medicine, Universidad Nacional de Colombia, Bogotá, Colombia

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Introduction There is a high prevalence of 25-hydroxyvitamin D (25OHD) deficiency during pregnancy ( 1 ). In the United States, a prevalence of 33% has been reported, while in countries such as Turkey, the prevalence reaches 90% ( 1 ). 25OHD

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-18-0055
Volume/Issue:
Volume 7: Issue 5
Open access
Fabienne A U Fox Population Health Sciences, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany

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Lennart Koch Population Health Sciences, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
University for Health Sciences, Medical Informatics and Technology (UMIT TIROL), Tirol, Austria

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Monique M B Breteler Population Health Sciences, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
Institute for Medical Biometry, Informatics and Epidemiology (IMBIE), Faculty of Medicine, University of Bonn, Bonn, Germany

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N Ahmad Aziz Population Health Sciences, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
Department of Neurology, Faculty of Medicine, University of Bonn, Bonn, Germany

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in young- and middle-aged adults. The aim of this study was, therefore, to examine the relation between serum 25-hydroxyvitamin D (25-OHD) concentration and handgrip strength in adults across a wide age range in a population-based cohort study. In

Article Type:
Research Article
Collections:
Bone and Mineral Metabolism
DOI:
https://doi.org/10.1530/EC-22-0501
Volume/Issue:
Volume 12: Issue 4
Open access
Adriana J van Ballegooijen Department of Health Sciences, Department of Epidemiology and Biostatistics, Department of Public Health, Department of General Practice, Department of Internal Medicine and Cardiovascular Research Institute Maastricht, Department of Internal Medicine, Faculty of Earth and Life Sciences, EMGO Institute for Health and Care Research, VU University Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands

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Marjolein Visser Department of Health Sciences, Department of Epidemiology and Biostatistics, Department of Public Health, Department of General Practice, Department of Internal Medicine and Cardiovascular Research Institute Maastricht, Department of Internal Medicine, Faculty of Earth and Life Sciences, EMGO Institute for Health and Care Research, VU University Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands
Department of Health Sciences, Department of Epidemiology and Biostatistics, Department of Public Health, Department of General Practice, Department of Internal Medicine and Cardiovascular Research Institute Maastricht, Department of Internal Medicine, Faculty of Earth and Life Sciences, EMGO Institute for Health and Care Research, VU University Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands

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Marieke B Snijder Department of Health Sciences, Department of Epidemiology and Biostatistics, Department of Public Health, Department of General Practice, Department of Internal Medicine and Cardiovascular Research Institute Maastricht, Department of Internal Medicine, Faculty of Earth and Life Sciences, EMGO Institute for Health and Care Research, VU University Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands

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Jacqueline M Dekker Department of Health Sciences, Department of Epidemiology and Biostatistics, Department of Public Health, Department of General Practice, Department of Internal Medicine and Cardiovascular Research Institute Maastricht, Department of Internal Medicine, Faculty of Earth and Life Sciences, EMGO Institute for Health and Care Research, VU University Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands

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Giel Nijpels Department of Health Sciences, Department of Epidemiology and Biostatistics, Department of Public Health, Department of General Practice, Department of Internal Medicine and Cardiovascular Research Institute Maastricht, Department of Internal Medicine, Faculty of Earth and Life Sciences, EMGO Institute for Health and Care Research, VU University Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands

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Coen D A Stehouwer Department of Health Sciences, Department of Epidemiology and Biostatistics, Department of Public Health, Department of General Practice, Department of Internal Medicine and Cardiovascular Research Institute Maastricht, Department of Internal Medicine, Faculty of Earth and Life Sciences, EMGO Institute for Health and Care Research, VU University Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands

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Michaela Diamant Department of Health Sciences, Department of Epidemiology and Biostatistics, Department of Public Health, Department of General Practice, Department of Internal Medicine and Cardiovascular Research Institute Maastricht, Department of Internal Medicine, Faculty of Earth and Life Sciences, EMGO Institute for Health and Care Research, VU University Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands

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Ingeborg A Brouwer Department of Health Sciences, Department of Epidemiology and Biostatistics, Department of Public Health, Department of General Practice, Department of Internal Medicine and Cardiovascular Research Institute Maastricht, Department of Internal Medicine, Faculty of Earth and Life Sciences, EMGO Institute for Health and Care Research, VU University Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands

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serum 25-hydroxyvitamin D (25(OH)D) levels, the principal circulating storage form, will result in proportionally higher parathyroid hormone (PTH) levels to maintain serum and total body calcium. Vitamin D and PTH receptors have been detected in

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-12-0033
Volume/Issue:
Volume 1: Issue 1
Open access
Søs Dragsbæk Larsen Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark

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Christine Dalgård Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
Department of Public Health, Environmental Medicine, University of Southern Denmark, Odense, Denmark

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Mathilde Egelund Christensen Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark

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Sine Lykkedegn Hans Christian Andersen Children’s Hospital, Odense University Hospital, Odense, Denmark

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Louise Bjørkholt Andersen Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
Department of Obstetrics and Gynecology, Herlev Hospital, Copenhagen, Denmark

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Marianne Andersen Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
Department of Medical Endocrinology, Odense University Hospital, Odense, Denmark

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Dorte Glintborg Department of Medical Endocrinology, Odense University Hospital, Odense, Denmark

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Henrik Thybo Christesen Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
Hans Christian Andersen Children’s Hospital, Odense University Hospital, Odense, Denmark

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associations in bold. CI, confidence interval; DBP, diastolic blood pressure; OR, odds ratio; ref., reference; s-25OHD, serum 25-hydroxyvitamin D 2+3 ; SBP, systolic blood pressure. Highly significant inverse associations were observed between

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-18-0308
Volume/Issue:
Volume 7: Issue 12
Open access
Shatha Alharazy Department of Physiology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia

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M Denise Robertson Department of Nutritional Sciences, Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK

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Susan Lanham-New Department of Nutritional Sciences, Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK

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Muhammad Imran Naseer Centre of Excellence in Genomic Medicine Research, King Abdulaziz University, Jeddah, Saudi Arabia
Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia

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Adeel G Chaudhary Centre of Excellence in Genomic Medicine Research, King Abdulaziz University, Jeddah, Saudi Arabia
Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
Centre for Innovation in Personalized Medicine, King Abdulaziz University, Jeddah, Saudi Arabia

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Eman Alissa Department of Clinical Biochemistry, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia

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the skin from a cholesterol derivative (7-dehydrocholeterol) reliant on UV-B radiation from exposure to the sun ( 14 , 15 , 16 ). Whether vitamin D is obtained from sunlight, from the diet, or through supplementation, 25-hydroxyvitamin D (25(OH)D) is

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-21-0445
Volume/Issue:
Volume 10: Issue 12
Open access
Malachi J McKenna Metabolism Laboratory, Department of Endocrinology, School of Medicine and Medical Sciences, St Vincent's University Hospital, Elm Park, Dublin 4, Ireland
Metabolism Laboratory, Department of Endocrinology, School of Medicine and Medical Sciences, St Vincent's University Hospital, Elm Park, Dublin 4, Ireland
Metabolism Laboratory, Department of Endocrinology, School of Medicine and Medical Sciences, St Vincent's University Hospital, Elm Park, Dublin 4, Ireland

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Barbara F Murray Metabolism Laboratory, Department of Endocrinology, School of Medicine and Medical Sciences, St Vincent's University Hospital, Elm Park, Dublin 4, Ireland

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Myra O'Keane Metabolism Laboratory, Department of Endocrinology, School of Medicine and Medical Sciences, St Vincent's University Hospital, Elm Park, Dublin 4, Ireland

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Mark T Kilbane Metabolism Laboratory, Department of Endocrinology, School of Medicine and Medical Sciences, St Vincent's University Hospital, Elm Park, Dublin 4, Ireland

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vitamin D, IOM cautioned against exceeding recommended intakes (3, 5) . The IOM gave guidance about the interpretation of the 25-hydroxyvitamin D (25OHD) result. First and foremost, they concluded that 25OHD is a biomarker of exposure and not a biomarker

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-15-0037
Volume/Issue:
Volume 4: Issue 3
Open access
Karoline Winckler Department of Cardiology, Department of Research, Institute of Clinical Studies, Clinical Research Unit, Department of Paediatrics, Department of Medicine, Department of Physiology and Nuclear Medicine, Institute of Clinical Medicine, Nephrology and Endocrinology

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Lise Tarnow Department of Cardiology, Department of Research, Institute of Clinical Studies, Clinical Research Unit, Department of Paediatrics, Department of Medicine, Department of Physiology and Nuclear Medicine, Institute of Clinical Medicine, Nephrology and Endocrinology
Department of Cardiology, Department of Research, Institute of Clinical Studies, Clinical Research Unit, Department of Paediatrics, Department of Medicine, Department of Physiology and Nuclear Medicine, Institute of Clinical Medicine, Nephrology and Endocrinology
Department of Cardiology, Department of Research, Institute of Clinical Studies, Clinical Research Unit, Department of Paediatrics, Department of Medicine, Department of Physiology and Nuclear Medicine, Institute of Clinical Medicine, Nephrology and Endocrinology

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Louise Lundby-Christensen Department of Cardiology, Department of Research, Institute of Clinical Studies, Clinical Research Unit, Department of Paediatrics, Department of Medicine, Department of Physiology and Nuclear Medicine, Institute of Clinical Medicine, Nephrology and Endocrinology
Department of Cardiology, Department of Research, Institute of Clinical Studies, Clinical Research Unit, Department of Paediatrics, Department of Medicine, Department of Physiology and Nuclear Medicine, Institute of Clinical Medicine, Nephrology and Endocrinology

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Thomas P Almdal Department of Cardiology, Department of Research, Institute of Clinical Studies, Clinical Research Unit, Department of Paediatrics, Department of Medicine, Department of Physiology and Nuclear Medicine, Institute of Clinical Medicine, Nephrology and Endocrinology
Department of Cardiology, Department of Research, Institute of Clinical Studies, Clinical Research Unit, Department of Paediatrics, Department of Medicine, Department of Physiology and Nuclear Medicine, Institute of Clinical Medicine, Nephrology and Endocrinology

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Niels Wiinberg Department of Cardiology, Department of Research, Institute of Clinical Studies, Clinical Research Unit, Department of Paediatrics, Department of Medicine, Department of Physiology and Nuclear Medicine, Institute of Clinical Medicine, Nephrology and Endocrinology

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Pia Eiken Department of Cardiology, Department of Research, Institute of Clinical Studies, Clinical Research Unit, Department of Paediatrics, Department of Medicine, Department of Physiology and Nuclear Medicine, Institute of Clinical Medicine, Nephrology and Endocrinology
Department of Cardiology, Department of Research, Institute of Clinical Studies, Clinical Research Unit, Department of Paediatrics, Department of Medicine, Department of Physiology and Nuclear Medicine, Institute of Clinical Medicine, Nephrology and Endocrinology

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Trine W Boesgaard Department of Cardiology, Department of Research, Institute of Clinical Studies, Clinical Research Unit, Department of Paediatrics, Department of Medicine, Department of Physiology and Nuclear Medicine, Institute of Clinical Medicine, Nephrology and Endocrinology

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the CIMT trial group
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Liu K Stein JH . 25-Hydroxyvitamin D and parathyroid hormone levels do not predict changes in carotid arterial stiffness: the Multi-Ethnic Study of Atherosclerosis . Arteriosclerosis, Thrombosis, and Vascular Biology 2014 34 1102 – 1109

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-15-0034
Volume/Issue:
Volume 4: Issue 2
Open access
Federica Saponaro Department of Surgical, Medical, Molecular and Critical Area Pathology, Laboratory of Biochemistry, University of Pisa, Pisa, Italy
Endocrinology Unit 2, University of Pisa, Pisa, Italy

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Alessandro Saba Department of Surgical, Medical, Molecular and Critical Area Pathology, Laboratory of Biochemistry, University of Pisa, Pisa, Italy
Laboratory of Clinical Pathology, University Hospital of Pisa, Pisa, Italy

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Sabina Frascarelli Department of Surgical, Medical, Molecular and Critical Area Pathology, Laboratory of Biochemistry, University of Pisa, Pisa, Italy

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Concetta Prontera Fondazione Toscana Gabriele Monasterio, Pisa, Italy

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Aldo Clerico Fondazione Toscana Gabriele Monasterio, Pisa, Italy

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Marco Scalese Institute of Clinical Physiology, National Council of Research, Pisa, Italy

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Maria Rita Sessa Laboratory of Endocrinology, University Hospital of Pisa, Pisa, Italy

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Filomena Cetani Endocrinology Unit 2, University of Pisa, Pisa, Italy

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Simona Borsari Endocrinology Unit 2, University of Pisa, Pisa, Italy

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Elena Pardi Endocrinology Unit 2, University of Pisa, Pisa, Italy

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Antonella Marvelli Department of Translational Research and of New Surgical and Medical Technologies, University of Pisa, Pisa, Italy

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Claudio Marcocci Endocrinology Unit 2, University of Pisa, Pisa, Italy

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Claudio Passino Fondazione Toscana Gabriele Monasterio, Pisa, Italy

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Riccardo Zucchi Department of Surgical, Medical, Molecular and Critical Area Pathology, Laboratory of Biochemistry, University of Pisa, Pisa, Italy

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and the majority of routine analyses are performed all over the world by immunoassay techniques, which allow non-chromatographic quantification of total 25 Hydroxyvitamin D (25OHD). In recent years, liquid chromatography-tandem mass spectrometry (LC

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-18-0207
Volume/Issue:
Volume 7: Issue 9
Open access