TY - JOUR T1 - Vitamin D JF - Clinical Medicine JO - Clin Med SP - e119 LP - e120 DO - 10.7861/clinmed.Let.21.1.7 VL - 21 IS - 1 AU - Henry J Woodford Y1 - 2021/01/01 UR - http://www.rcpjournals.org/content/21/1/e119.abstract ER -