Vitamin D

Professor of Pediatrics (Endocrinology) and of Orthopaedics and Rehabilitation and Clinical Professor of Nursing; Director, Yale Center for X-Linked Hypophosphatemia; Medical Director, Hospital Research Unit

Professor of Obstetrics, Gynecology & Reproductive Sciences; Director, Polycystic Ovary Syndrome (PCOS) Program; Director, Menopause Program