title: Interpretations of the Linxian vitamin supplement chemoprevention trials.
authors.forename: G S
authors.initials: GS
authors.lastname: Omenn
mesh_terms: D016588:Anticarcinogenic Agents / Q000627:therapeutic use*; D002681:China; D002986:Clinical Trials as Topic; D019587:Dietary Supplements; D006801:Humans; D009369:Neoplasms / Q000517:prevention & control*; D009752:Nutritional Status; D012107:Research Design; D014815:Vitamins / Q000627:therapeutic use*; D019207:beta Carotene / Q000627:therapeutic use
chemical_list: D016588:Anticarcinogenic Agents; D014815:Vitamins; D019207:beta Carotene