title: Seasonal variation in vitamin D.
authors.affiliation: Department of Biochemical Medicine, St George's Hospital Medical School, London.
authors.forename: J D
authors.initials: JD
authors.lastname: Maxwell
mesh_terms: D000818:Animals; D004032:Diet; D006801:Humans; D018462:Photobiology; D012621:Seasons; D014807:Vitamin D / Q000378:metabolism / Q000502:physiology / Q000627:therapeutic use; D014808:Vitamin D Deficiency / Q000188:drug therapy
chemical_list: D014807:Vitamin D