title: Vitamin D--baseline status and effective dose.
authors: Robert P
authors: RP
authors: Heaney
mesh_terms: D005260:Female; D050723:Fractures, Bone / Q000517:prevention & control*; D006620:Hip Fractures / Q000517:prevention & control*; D006801:Humans; D008297:Male; D014807:Vitamin D / Q000008:administration & dosage* / Q000031:analogs & derivatives* / Q000097:blood
chemical_list: D014807:Vitamin D; C104450:25-hydroxyvitamin D