title: Vitamin supplements and cancer prevention: where do randomized controlled trials stand?
authors.forename: Demetrius
authors.initials: D
authors.lastname: Albanes
mesh_terms: D000975:Antioxidants / Q000008:administration & dosage*; D001205:Ascorbic Acid / Q000008:administration & dosage; D015179:Colorectal Neoplasms / Q000139:chemically induced / Q000453:epidemiology; D015986:Confounding Factors, Epidemiologic; D019587:Dietary Supplements / Q000009:adverse effects; D005260:Female; D005492:Folic Acid / Q000008:administration & dosage / Q000009:adverse effects; D006801:Humans; D015994:Incidence; D008175:Lung Neoplasms / Q000139:chemically induced / Q000453:epidemiology; D008297:Male; D009369:Neoplasms / Q000453:epidemiology* / Q000378:metabolism / Q000517:prevention & control*; D011322:Primary Prevention / Q000379:methods; D011471:Prostatic Neoplasms / Q000139:chemically induced / Q000453:epidemiology; D016032:Randomized Controlled Trials as Topic; D018570:Risk Assessment; D012643:Selenium / Q000008:administration & dosage; D014481:United States / Q000453:epidemiology; D014805:Vitamin B 12 / Q000008:administration & dosage; D025101:Vitamin B 6 / Q000008:administration & dosage; D014810:Vitamin E / Q000008:administration & dosage / Q000009:adverse effects; D019207:beta Carotene / Q000008:administration & dosage / Q000009:adverse effects
chemical_list: D000975:Antioxidants; D019207:beta Carotene; D014810:Vitamin E; D025101:Vitamin B 6; D005492:Folic Acid; D012643:Selenium; D014805:Vitamin B 12; D001205:Ascorbic Acid