title: Beta-carotene, vitamin A and prostatic cancer.
authors.forename: J
authors.initials: J
authors.lastname: Virtamo
authors.forename: J K
authors.initials: JK
authors.lastname: Huttunen
mesh_terms: D000368:Aged; D002338:Carotenoids / Q000008:administration & dosage* / Q000009:adverse effects; D004032:Diet; D006801:Humans; D008297:Male; D008875:Middle Aged; D011471:Prostatic Neoplasms / Q000209:etiology* / Q000517:prevention & control; D012307:Risk Factors; D014801:Vitamin A / Q000008:administration & dosage* / Q000009:adverse effects; D019207:beta Carotene
chemical_list: D019207:beta Carotene; D014801:Vitamin A; D002338:Carotenoids