Vitamin D and COVID-19: why the controversy? Published on 2021-02-012023-06-20 Journal: The lancet. Diabetes & endocrinology [저자] The Lancet Diabetes Endocrinology [Category] Fulltext, MERS, PMC URL Pubmed URL [DOI] 10.1016/S2213-8587(21)00003-6 [Article Type] Editorial [Source] pubmed All Keywords