title: Carotenoids, cancer, and clinical trials.
authors.affiliation: Nutritional Epidemiology Section, National Cancer Institute, Bethesda, Maryland 20892.
authors.forename: R G
authors.initials: RG
authors.lastname: Ziegler
mesh_terms: D002338:Carotenoids / Q000097:blood; D002986:Clinical Trials as Topic / Q000379:methods; D004032:Diet; D004938:Esophageal Neoplasms / Q000453:epidemiology; D005638:Fruit; D006801:Humans; D008175:Lung Neoplasms / Q000097:blood / Q000453:epidemiology; D008297:Male; D009369:Neoplasms / Q000453:epidemiology* / Q000517:prevention & control; D012307:Risk Factors; D013274:Stomach Neoplasms / Q000453:epidemiology; D014675:Vegetables; D014815:Vitamins; D019207:beta Carotene
chemical_list: D014815:Vitamins; D019207:beta Carotene; D002338:Carotenoids