TY - JOUR T1 - Vitamin D deficiency and COVID-19 JF - Clinical Medicine JO - Clin Med SP - e282 LP - e283 DO - 10.7861/clinmed.Let.20.6.9 VL - 20 IS - 6 AU - David C Anderson AU - David S Grimes Y1 - 2020/11/01 UR - http://www.rcpjournals.org/content/20/6/e282.2.abstract ER -