title: No effect of beta-carotene supplementation on risk of nonmelanoma skin cancer among men with low baseline plasma beta-carotene.
authors.affiliation: Division of Preventive Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 900 Commonwealth Avenue East, Boston, MA 02215, USA. dschaumberg@rics.bwh.harvard.edu
authors.forename: Debra A
authors.initials: DA
authors.lastname: Schaumberg
authors.forename: Uta M
authors.initials: UM
authors.lastname: Frieling
authors.forename: Nader
authors.initials: N
authors.lastname: Rifai
authors.forename: Nancy
authors.initials: N
authors.lastname: Cook
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000975:Antioxidants / Q000008:administration & dosage / Q000032:analysis*; D002280:Basal Cell Carcinoma / Q000209:etiology / Q000517:prevention & control*; D016022:Case-Control Studies; D019587:Dietary Supplements; D006801:Humans; D008297:Male; D008875:Middle Aged; D018307:Neoplasms, Squamous Cell / Q000209:etiology / Q000517:prevention & control*; D018384:Oxidative Stress; D012307:Risk Factors; D012878:Skin Neoplasms / Q000209:etiology / Q000517:prevention & control*; D024505:Tocopherols / Q000008:administration & dosage / Q000097:blood; D014801:Vitamin A / Q000097:blood; D014810:Vitamin E / Q000097:blood; D019207:beta Carotene / Q000008:administration & dosage / Q000097:blood*
chemical_list: D000975:Antioxidants; D019207:beta Carotene; D014801:Vitamin A; D014810:Vitamin E; D024505:Tocopherols