Beta-carotene supplementation and cancer prevention.
Hennekens
C H
CH
D000975:Antioxidants / Q000008:administration & dosage*; D006801:Humans; D009369:Neoplasms / Q000517:prevention & control*; D019207:beta Carotene / Q000008:administration & dosage*
D000975:Antioxidants; D019207:beta Carotene