title: "Natural" cancer prevention.
authors.forename: P A
authors.initials: PA
authors.lastname: Lachance
mesh_terms: D016588:Anticarcinogenic Agents / Q000627:therapeutic use*; D002338:Carotenoids / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D018849:Controlled Clinical Trials as Topic; D006801:Humans; D008175:Lung Neoplasms / Q000517:prevention & control*; D012907:Smoking / Q000009:adverse effects; D019207:beta Carotene
chemical_list: D016588:Anticarcinogenic Agents; D019207:beta Carotene; D002338:Carotenoids