title: Vitamin D and the limits of randomized controlled trials.
authors: Edward D
authors: ED
authors: Gorham
authors: Cedric F
authors: CF
authors: Garland
mesh_terms: D050071:Bone Density Conservation Agents / Q000008:administration & dosage*; D002908:Chronic Disease / Q000517:prevention & control*; D019317:Evidence-Based Medicine; D017408:Guidelines as Topic; D006801:Humans; D016032:Randomized Controlled Trials as Topic; D014807:Vitamin D / Q000008:administration & dosage*; D014808:Vitamin D Deficiency / Q000150:complications / Q000453:epidemiology / Q000517:prevention & control
chemical_list: D050071:Bone Density Conservation Agents; D014807:Vitamin D