Vitamin E, Beta Carotene and Lung Cancer The Effect of Vitamin E and Beta Carotene on the Incidence of Lung Cancer and Other Cancers in Male Smokers The New England Journal of Medicine Vitamin E, Beta Carotene and Lung Cancer
Lung Cancer and the Beta-Carotene Risk Factors for Lung Cancer and for Intervention Effects in CARET, the Beta-Carotene and Retinol Efficacy Trial Journal of the National Cancer Institute Lung Cancer and the Beta-Carotene
Codex Alimentarius: CXG 36-1989 Class names and the international numbering system for food additives Member countries FAO, WHO Codex Alimentarius: CXG 36-1989
