Studies on the intestinal absorption of radioactive beta-carotene and vitamin A in man. Conversion of beta-carotene into vitamin A.
D000328:Adult; D000368:Aged; D002247:Carbon Isotopes; D002338:Carotenoids / Q000378:metabolism*; D005260:Female; D006801:Humans; D007408:Intestinal Absorption / Q000502:physiology*; D008055:Lipids / Q000032:analysis; D008196:Lymph / Q000032:analysis; D008297:Male; D008875:Middle Aged; D014316:Tritium; D014801:Vitamin A / Q000378:metabolism*
D002247:Carbon Isotopes; D008055:Lipids; D014316:Tritium; D014801:Vitamin A; D002338:Carotenoids