title: Regular use of sunscreen on vitamin D levels.
authors.forename: M F
authors.initials: MF
authors.lastname: Holick
authors.forename: L Y
authors.initials: LY
authors.lastname: Matsuoka
authors.forename: J
authors.initials: J
authors.lastname: Wortsman
mesh_terms: D006801:Humans; D006887:Hydroxycholecalciferols / Q000097:blood; D013473:Sunscreening Agents / Q000494:pharmacology*; D014807:Vitamin D / Q000097:blood*
chemical_list: D006887:Hydroxycholecalciferols; D013473:Sunscreening Agents; D014807:Vitamin D