title: ["Good" and "bad" beta-carotene?].
authors.affiliation: CHU de Rouen, Clinique Pneumologique, Hôpital Charles-Nicolle.
authors.forename: L
authors.initials: L
authors.lastname: Thiberville
authors.forename: G
authors.initials: G
authors.lastname: Nouvet
mesh_terms: D000975:Antioxidants / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D006801:Humans; D008137:Longitudinal Studies; D008175:Lung Neoplasms / Q000517:prevention & control*; D008297:Male; D016032:Randomized Controlled Trials as Topic; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects; D014801:Vitamin A / Q000008:administration & dosage / Q000627:therapeutic use; D019207:beta Carotene / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*
chemical_list: D000975:Antioxidants; D019207:beta Carotene; D014801:Vitamin A