Provitamin A selection by vitamin A depleted rats.
D000818:Animals; D001519:Behavior; D002338:Carotenoids; D006801:Humans; D051381:Rats; D014801:Vitamin A; D014802:Vitamin A Deficiency
D014801:Vitamin A; D002338:Carotenoids
BEHAVIOR; CAROTENE; VITAMIN A DEFICIENCY/experimental