title: Vitamin A in nature.
authors.forename: D S
authors.initials: DS
authors.lastname: McLaren
authors.forename: K
authors.initials: K
authors.lastname: Kraemer
mesh_terms: D000818:Animals; D002338:Carotenoids / Q000032:analysis / Q000737:chemistry; D005123:Eye; D006801:Humans; D008027:Light; D010788:Photosynthesis; D010944:Plants / Q000737:chemistry; D012176:Retinoids / Q000032:analysis / Q000737:chemistry; D012243:Rhodopsin; D014785:Vision, Ocular; D014801:Vitamin A / Q000032:analysis / Q000737:chemistry / Q000502:physiology
chemical_list: D012176:Retinoids; D014801:Vitamin A; D002338:Carotenoids; D012243:Rhodopsin