title: Beta carotene and cancer: risk or protection?
authors.forename: H
authors.initials: H
authors.lastname: Vainio
mesh_terms: D006801:Humans; D008175:Lung Neoplasms / Q000401:mortality / Q000517:prevention & control*; D011322:Primary Prevention; D012307:Risk Factors; D016896:Treatment Outcome; D019207:beta Carotene / Q000009:adverse effects / Q000627:therapeutic use*
chemical_list: D019207:beta Carotene