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Anna Eremkina Endocrinology Research Center, Russian Federation, Moscow, Russia

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Julia Krupinova Endocrinology Research Center, Russian Federation, Moscow, Russia

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Ekaterina Dobreva Endocrinology Research Center, Russian Federation, Moscow, Russia

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Anna Gorbacheva Endocrinology Research Center, Russian Federation, Moscow, Russia

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Ekaterina Bibik Endocrinology Research Center, Russian Federation, Moscow, Russia

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Margarita Samsonova Faculty of Fundamental Medicine, ederal State Budget Educational Institution of Higher Education M.V. Lomonosov Moscow State University, Moscow, Russia

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Alina Ajnetdinova Endocrinology Research Center, Russian Federation, Moscow, Russia

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Natalya Mokrysheva Endocrinology Research Center, Russian Federation, Moscow, Russia

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risks of HC are significantly increased in patients with total albumin-corrected calcium >3.5 mmol/L or ionized calcium >2.5 mmol/L. Hypercalcemia may be associated with a spectrum of clinical manifestations, ranging from minor symptoms in the case of

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Ursula M M Costa Division of Cardiology, Division of Endocrinology, Division of Endocrinology, Federal University of Sergipe, Aracaju, SE 49060-100, Brazil

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Carla R P Oliveira Division of Cardiology, Division of Endocrinology, Division of Endocrinology, Federal University of Sergipe, Aracaju, SE 49060-100, Brazil

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Roberto Salvatori Division of Cardiology, Division of Endocrinology, Division of Endocrinology, Federal University of Sergipe, Aracaju, SE 49060-100, Brazil

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José A S Barreto-Filho Division of Cardiology, Division of Endocrinology, Division of Endocrinology, Federal University of Sergipe, Aracaju, SE 49060-100, Brazil

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Viviane C Campos Division of Cardiology, Division of Endocrinology, Division of Endocrinology, Federal University of Sergipe, Aracaju, SE 49060-100, Brazil

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Francielle T Oliveira Division of Cardiology, Division of Endocrinology, Division of Endocrinology, Federal University of Sergipe, Aracaju, SE 49060-100, Brazil

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Ivina E S Rocha Division of Cardiology, Division of Endocrinology, Division of Endocrinology, Federal University of Sergipe, Aracaju, SE 49060-100, Brazil

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Joselina L M Oliveira Division of Cardiology, Division of Endocrinology, Division of Endocrinology, Federal University of Sergipe, Aracaju, SE 49060-100, Brazil

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Wersley A Silva Division of Cardiology, Division of Endocrinology, Division of Endocrinology, Federal University of Sergipe, Aracaju, SE 49060-100, Brazil

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Manuel H Aguiar-Oliveira Division of Cardiology, Division of Endocrinology, Division of Endocrinology, Federal University of Sergipe, Aracaju, SE 49060-100, Brazil

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, 20, 21) . Measurement of coronary artery calcium by multi-detector tomography has been shown to predict the risk of clinical coronary disease (22, 23, 24, 25) . This study tested whether subclinical atherosclerosis is accelerated in these IGHD

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E Vignali Endocrine Unit 2, Department of Clinical and Experimental Medicine, Laboratory of Chemistry and Endocrinology, University Hospital of Pisa, Via Paradisa 2, 56124 Pisa, Italy

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F Cetani Endocrine Unit 2, Department of Clinical and Experimental Medicine, Laboratory of Chemistry and Endocrinology, University Hospital of Pisa, Via Paradisa 2, 56124 Pisa, Italy

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S Chiavistelli Endocrine Unit 2, Department of Clinical and Experimental Medicine, Laboratory of Chemistry and Endocrinology, University Hospital of Pisa, Via Paradisa 2, 56124 Pisa, Italy

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A Meola Endocrine Unit 2, Department of Clinical and Experimental Medicine, Laboratory of Chemistry and Endocrinology, University Hospital of Pisa, Via Paradisa 2, 56124 Pisa, Italy

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F Saponaro Endocrine Unit 2, Department of Clinical and Experimental Medicine, Laboratory of Chemistry and Endocrinology, University Hospital of Pisa, Via Paradisa 2, 56124 Pisa, Italy

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R Centoni Endocrine Unit 2, Department of Clinical and Experimental Medicine, Laboratory of Chemistry and Endocrinology, University Hospital of Pisa, Via Paradisa 2, 56124 Pisa, Italy

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L Cianferotti Endocrine Unit 2, Department of Clinical and Experimental Medicine, Laboratory of Chemistry and Endocrinology, University Hospital of Pisa, Via Paradisa 2, 56124 Pisa, Italy

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C Marcocci Endocrine Unit 2, Department of Clinical and Experimental Medicine, Laboratory of Chemistry and Endocrinology, University Hospital of Pisa, Via Paradisa 2, 56124 Pisa, Italy
Endocrine Unit 2, Department of Clinical and Experimental Medicine, Laboratory of Chemistry and Endocrinology, University Hospital of Pisa, Via Paradisa 2, 56124 Pisa, Italy

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Introduction During the past 10–20 years several investigators have noticed that there are patients with elevated serum parathyroid hormone (PTH) levels associated with consistently normal serum calcium concentration and no other causes of secondary

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Sofya Gronskaia Endocrinology Research Centre, Moscow, Russia

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Galina Melnichenko Endocrinology Research Centre, Moscow, Russia

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Liudmila Rozhinskaya Endocrinology Research Centre, Moscow, Russia

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Tatiana Grebennikova Endocrinology Research Centre, Moscow, Russia

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Elizaveta Mamedova Endocrinology Research Centre, Moscow, Russia

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Ekaterina Pigarova Endocrinology Research Centre, Moscow, Russia

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Elena Przhialkovskaya Endocrinology Research Centre, Moscow, Russia

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Larisa Dzeranova Endocrinology Research Centre, Moscow, Russia

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Ivan Dedov Endocrinology Research Centre, Moscow, Russia

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Valentin Fadeyev I.M. Sechenov First Moscow State Medical University, Moscow, Russia

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Maria Luisa Brandi University of Florence, Surgery and Translational Medicine, Piereccaini, Firenze, Italy

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Zhanna Belaya Endocrinology Research Centre, Moscow, Russia

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changes: low serum calcium, hypercalciuria and hyperphosphatemia. In addition to this, inhibition of 1-α-hydroxylase causes a deficiency of 1,25 (OH) 2 vitamin D ( 2 ). These shifts lead to an increased risk of complications (renal stones, calcifications

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Gabriella Oliveira Lima Laboratory of Pharmacology and Toxicology of Natural Products, Institute of Biological Sciences, Federal University of Pará, Belém, Pará, Brazil

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Alex Luiz Menezes da Silva Laboratory of Pharmacology and Toxicology of Natural Products, Institute of Biological Sciences, Federal University of Pará, Belém, Pará, Brazil

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Julianne Elba Cunha Azevedo Laboratory of Pharmacology and Toxicology of Natural Products, Institute of Biological Sciences, Federal University of Pará, Belém, Pará, Brazil

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Chirlene Pinheiro Nascimento Laboratory of Pharmacology and Toxicology of Natural Products, Institute of Biological Sciences, Federal University of Pará, Belém, Pará, Brazil

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Luana Rodrigues Vieira Laboratory of Pharmacology and Toxicology of Natural Products, Institute of Biological Sciences, Federal University of Pará, Belém, Pará, Brazil

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Akira Otake Hamoy Laboratory of Pharmacology and Toxicology of Natural Products, Institute of Biological Sciences, Federal University of Pará, Belém, Pará, Brazil

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Luan Oliveira Ferreira Laboratory of Experimental Neuropathology, Institute of Biological Sciences, Federal University of Pará, Belém, Pará, Brazil

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Verônica Regina Lobato Oliveira Bahia Multidisciplinary Laboratory of Animal Morphology, Institute of Biological Sciences, Federal University of Pará, Belém, Pará, Brazil

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Nilton Akio Muto Amazon Bioactive Compounds Valorization Center, Institute of Biological Sciences, Federal University of Pará, Belém, Pará, Brazil

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Dielly Catrina Favacho Lopes Laboratory of Experimental Neuropathology, Institute of Biological Sciences, Federal University of Pará, Belém, Pará, Brazil

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Moisés Hamoy Laboratory of Pharmacology and Toxicology of Natural Products, Institute of Biological Sciences, Federal University of Pará, Belém, Pará, Brazil

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Introduction Vitamin D is an important pro-hormone that plays a key role in preserving the skeletal system, serum calcium levels and playing important roles in the cardiovascular system, central nervous system (CNS) and cancer prevention ( 1

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Marcela Moraes Mendes Department of Nutrition, Faculty of Health Sciences, University of Brasília, Distrito Federal, Brazil
Department of Nutrition, Institute of Life Sciences, Federal University of Juiz de Fora, Governador Valadares, Minas Gerais, Brazil
Department of Nutrition, Faculty of Health and Medical Sciences, University of Surrey, University of Surrey, Guildford, UK

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Patricia Borges Botelho Department of Nutrition, Faculty of Health Sciences, University of Brasília, Distrito Federal, Brazil

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Helena Ribeiro Department of Environmental Health, Faculty of Public Health, University of São Paulo, São Paulo, Brazil

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the kidney, raising the question of whether non-renal cells produce 1,25(OH)2D for their specific necessities at a local level ( 3 , 16 , 59 , 60 ). The primary physiologic function of vitamin D and its metabolites is maintaining calcium

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Maxime Duval Department of Medicine, Clinique Jules Verne, Nantes, France

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Kalyane Bach-Ngohou Department of Biology, Laboratory of Clinical Biochemistry, CHU Nantes, Nantes, France

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Damien Masson Department of Biology, Laboratory of Clinical Biochemistry, CHU Nantes, Nantes, France

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Camille Guimard Department of Emergency Medicine, CHU Nantes, Nantes, France

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Philippe Le Conte Department of Emergency Medicine, CHU Nantes, Nantes, France

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David Trewick Department of Medicine, Clinique Jules Verne, Nantes, France
Department of Emergency Medicine, CHU Nantes, Nantes, France

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the risk of sudden cardiac arrest (SCA) in the community ( 5 ). Calcium is a bivalent cation that is essential for a number of physiological processes that include neuromuscular activity, endocrine and exocrine secretion, coagulation, immunity and

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Tomás P Griffin Centre for Endocrinology, Diabetes and Metabolism, Saolta University Health Care Group (SUHCG), Galway University Hospitals (GUH), Galway, Ireland
Regenerative Medicine Institute at CÚRAM SFI Research Centre, School of Medicine, National University of Ireland Galway (NUIG), Galway, Ireland

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Caroline M Joyce Department of Clinical Biochemistry, Cork University Hospital, Cork, Ireland

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Sumaya Alkanderi Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK

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Liam M Blake Department of Clinical Biochemistry, SUHCG, GUH, Galway, Ireland

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Derek T O’Keeffe Centre for Endocrinology, Diabetes and Metabolism, Saolta University Health Care Group (SUHCG), Galway University Hospitals (GUH), Galway, Ireland

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Delia Bogdanet Centre for Endocrinology, Diabetes and Metabolism, Saolta University Health Care Group (SUHCG), Galway University Hospitals (GUH), Galway, Ireland

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Md Nahidul Islam Regenerative Medicine Institute at CÚRAM SFI Research Centre, School of Medicine, National University of Ireland Galway (NUIG), Galway, Ireland
Department of Clinical Biochemistry, SUHCG, GUH, Galway, Ireland

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Michael C Dennedy Centre for Endocrinology, Diabetes and Metabolism, Saolta University Health Care Group (SUHCG), Galway University Hospitals (GUH), Galway, Ireland
Lambe Institute for Translational Research, School of Medicine, NUIG, Galway, Ireland

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John E Gillan Department of Histopathology, SUHCG, GUH, Galway, Ireland

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John J Morrison Department of Obstetrics and Gynaecology, SUHCG, GUH, Galway, Ireland

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Timothy O’Brien Centre for Endocrinology, Diabetes and Metabolism, Saolta University Health Care Group (SUHCG), Galway University Hospitals (GUH), Galway, Ireland
Regenerative Medicine Institute at CÚRAM SFI Research Centre, School of Medicine, National University of Ireland Galway (NUIG), Galway, Ireland

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John A Sayer Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK
Newcastle upon Tyne NHS Hospitals Foundation Trust, Newcastle upon Tyne, UK
NIHR Newcastle Biomedical Research Centre, Newcastle upon Tyne, UK

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Marcia Bell Centre for Endocrinology, Diabetes and Metabolism, Saolta University Health Care Group (SUHCG), Galway University Hospitals (GUH), Galway, Ireland

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Paula M O’Shea Department of Clinical Biochemistry, SUHCG, GUH, Galway, Ireland

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Introduction Vitamin D is a fat soluble vitamin ( 1 ) essential for calcium and phosphate homeostasis, bone metabolism ( 2 ) and possibly the prevention of chronic diseases such as cardiovascular disease and cancer ( 3 ). Vitamin D is obtained

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Huma Qamar Centre for Global Child Health, Hospital for Sick Children, Toronto, Ontario, Canada
Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada

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Nandita Perumal Centre for Global Child Health, Hospital for Sick Children, Toronto, Ontario, Canada
Department of Epidemiology, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada

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Eszter Papp Centre for Global Child Health, Hospital for Sick Children, Toronto, Ontario, Canada

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Alison D Gernand Department of Nutritional Sciences, Pennsylvania State University, University Park, Pennsylvania, USA

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Abdullah Al Mahmud Nutrition and Clinical Services Division, International Centre for Diarrhoeal Disease Research (icddr,b), Dhaka, Bangladesh

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Daniel E Roth Centre for Global Child Health, Hospital for Sick Children, Toronto, Ontario, Canada
Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada
Department of Paediatrics, Hospital for Sick Children and University of Toronto, Toronto, Ontario, Canada

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prevalent ( 9 ), reductions in both newborn weight and length are observed ( 10 , 11 ). Parathyroid hormone (PTH) is a peptide hormone that primarily regulates calcium homeostasis by binding to the PTH 1 Receptor (PTH1R) ( 12 , 13 ), and is itself

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E M Winter Leiden University Medical Center, Department of Internal Medicine, Division of Endocrinology, Center for Bone Quality, Leiden, the Netherlands

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A Ireland Musculoskeletal Science and Sports Medicine Research Centre, Department of Life Sciences, Manchester Metropolitan University, Manchester, United Kingdom

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N C Butterfield Molecular Endocrinology Laboratory, Department of Metabolism, Digestion and Reproduction, Imperial College London, Commonwealth Building, DuCane Road, London, United Kingdom

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M Haffner-Luntzer Institute of Orthopaedic Research and Biomechanics, University Medical Center Ulm, Ulm, Germany

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M-N Horcajada Nestlé Research, Department of Musculoskeletal Health, Innovation EPFL Park, Lausanne, Switzerland.

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A G Veldhuis-Vlug Leiden University Medical Center, Department of Internal Medicine, Division of Endocrinology, Center for Bone Quality, Leiden, the Netherlands
Jan van Goyen Medical Center, Department of Internal Medicine, Amsterdam, the Netherlands

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L Oei Department of Internal Medicine, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
Department of Epidemiology, Erasmus MC, University Medical Center, Rotterdam, The Netherlands

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G Colaianni Department of Emergency and Organ Transplantation, University of Bari, Bari, Italy

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N Bonnet Nestlé Research, Department of Musculoskeletal Health, Innovation EPFL Park, Lausanne, Switzerland.

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Introduction Pregnancy and lactation are challenging situations for the mother’s skeletal homeostasis. Significant changes in maternal calcium and bone metabolism must occur to fulfill the calcium requirements to build the fetal skeleton

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