title: A potential design flaw of randomized trials of vitamin supplements.
authors.affiliation: Section of Nutrition and Nutritional Epidemiology, Rush University Medical Center, Rush-Oak Park Professional Office Bldg, 610 S Maple, Ste 4700, Oak Park, IL 60304, USA. martha_c_morris@rush.edu
authors.forename: Martha Clare
authors.initials: MC
authors.lastname: Morris
authors.forename: Christine C
authors.initials: CC
authors.lastname: Tangney
mesh_terms: D003704:Dementia / Q000517:prevention & control; D019587:Dietary Supplements; D004281:Docosahexaenoic Acids / Q000627:therapeutic use; D016021:Epidemiologic Studies; D006801:Humans; D009752:Nutritional Status; D016032:Randomized Controlled Trials as Topic; D012107:Research Design; D014803:Vitamin B Complex / Q000627:therapeutic use; D014810:Vitamin E / Q000627:therapeutic use; D014815:Vitamins / Q000627:therapeutic use*
chemical_list: D014815:Vitamins; D014803:Vitamin B Complex; D014810:Vitamin E; D004281:Docosahexaenoic Acids