title: The skin: the site of vitamin D3 synthesis and a target tissue for its metabolite 1,25-dihydroxyvitamin D3.
authors.affiliation: Endocrine Unit, Boston City Hospital, MA.
authors.forename: E L
authors.initials: EL
authors.lastname: Smith
authors.forename: M F
authors.initials: MF
authors.lastname: Holick
mesh_terms: D002117:Calcitriol / Q000378:metabolism*; D002762:Cholecalciferol / Q000096:biosynthesis* / Q000378:metabolism; D006801:Humans; D012867:Skin / Q000378:metabolism*
chemical_list: D002762:Cholecalciferol; D002117:Calcitriol