title: Vitamin D efficacy and safety.
authors.forename: Robert P
authors.initials: RP
authors.lastname: Heaney
authors.forename: Reinhold
authors.initials: R
authors.lastname: Vieth
authors.forename: Bruce W
authors.initials: BW
authors.lastname: Hollis
mesh_terms: D000368:Aged; D000544:Alzheimer Disease / Q000097:blood / Q000175:diagnosis*; D002117:Calcitriol / Q000097:blood; D003072:Cognition Disorders / Q000097:blood / Q000175:diagnosis*; D064420:Drug-Related Side Effects and Adverse Reactions; D006801:Humans; D012307:Risk Factors; D016896:Treatment Outcome; D014807:Vitamin D / Q000008:administration & dosage / Q000009:adverse effects / Q000031:analogs & derivatives* / Q000097:blood; D014808:Vitamin D Deficiency / Q000097:blood / Q000175:diagnosis*
chemical_list: D014807:Vitamin D; C104450:25-hydroxyvitamin D; D002117:Calcitriol