title: Serum 25-hydroxyvitamin D is a reliable indicator of vitamin D status.
authors.forename: Robert P
authors.initials: RP
authors.lastname: Heaney
mesh_terms: D019645:Arthroplasty, Replacement, Knee; D006801:Humans; D009752:Nutritional Status; D014807:Vitamin D / Q000008:administration & dosage / Q000031:analogs & derivatives* / Q000097:blood
chemical_list: D014807:Vitamin D; C104450:25-hydroxyvitamin D