title: Trials reveal no benefit, possible harm of beta carotene and vitamin A for lung cancer prevention.
authors.forename: C
authors.initials: C
authors.lastname: Marwick
mesh_terms: D016588:Anticarcinogenic Agents / Q000009:adverse effects / Q000627:therapeutic use*; D002338:Carotenoids / Q000009:adverse effects / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D006801:Humans; D008175:Lung Neoplasms / Q000517:prevention & control*; D014801:Vitamin A / Q000009:adverse effects / Q000627:therapeutic use*; D019207:beta Carotene
chemical_list: D016588:Anticarcinogenic Agents; D019207:beta Carotene; D014801:Vitamin A; D002338:Carotenoids