title: The 'cocaine blues' and other problems in epidemiologic studies of vitamin D and cancer.
authors.affiliation: Department of Cancer Biology Wake Forest University, Medical Center Blvd., Winston-Salem, NC 27157, USA. gschwart@wfubmc.edu
authors.forename: Gary G
authors.initials: GG
authors.lastname: Schwartz
mesh_terms: D016588:Anticarcinogenic Agents / Q000008:administration & dosage*; D019317:Evidence-Based Medicine; D006801:Humans; D009369:Neoplasms / Q000453:epidemiology / Q000209:etiology / Q000517:prevention & control*; D012307:Risk Factors; D014807:Vitamin D / Q000008:administration & dosage*; D014815:Vitamins / Q000008:administration & dosage*
chemical_list: D016588:Anticarcinogenic Agents; D014815:Vitamins; D014807:Vitamin D