title: Casting some light on the sunshine vitamin.
authors.forename: P K
authors.initials: PK
authors.lastname: Yen
mesh_terms: D000368:Aged; D005527:Food, Fortified; D005851:Geriatric Nursing / Q000379:methods*; D006801:Humans; D009752:Nutritional Status; D013472:Sunlight; D014807:Vitamin D / Q000502:physiology*
chemical_list: D014807:Vitamin D