No abstract available
Publication types
-
Research Support, U.S. Gov't, P.H.S.
-
Review
MeSH terms
-
Animals
-
Ascorbic Acid / pharmacology
-
Carotenoids / pharmacology
-
Diet*
-
Epidemiologic Methods
-
Feeding Behavior
-
Humans
-
Neoplasms / epidemiology*
-
Neoplasms / etiology
-
Neoplasms / prevention & control
-
Random Allocation
-
Research Design
-
Vitamin A / pharmacology
-
Vitamin E / pharmacology
Substances
-
Vitamin A
-
Vitamin E
-
Carotenoids
-
Ascorbic Acid