title: What is vitamin D deficiency?
authors.affiliation: Department of Physiology, Tulane University School of Medicine, New Orleans, Louisiana 70112.
authors.forename: M R
authors.initials: MR
authors.lastname: Walters
authors.forename: U
authors.initials: U
authors.lastname: Kollenkirchen
authors.forename: J
authors.initials: J
authors.lastname: Fox
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D002117:Calcitriol / Q000097:blood / Q000627:therapeutic use; D002118:Calcium / Q000097:blood; D002136:Calcium, Dietary / Q000008:administration & dosage; D006801:Humans; D014807:Vitamin D / Q000378:metabolism; D014808:Vitamin D Deficiency / Q000188:drug therapy / Q000503:physiopathology*
chemical_list: D002136:Calcium, Dietary; D014807:Vitamin D; D002117:Calcitriol; D002118:Calcium