title: Vitamin D deficiency.
authors.forename: Roger
authors.initials: R
authors.lastname: Bouillon
authors.forename: Anthony W
authors.initials: AW
authors.lastname: Norman
authors.forename: Paul
authors.initials: P
authors.lastname: Lips
mesh_terms: D015519:Bone Density / Q000187:drug effects; D006801:Humans; D013472:Sunlight; D014807:Vitamin D / Q000008:administration & dosage* / Q000009:adverse effects / Q000031:analogs & derivatives* / Q000097:blood; D014808:Vitamin D Deficiency / Q000628:therapy*
chemical_list: D014807:Vitamin D; C104450:25-hydroxyvitamin D