On the biological role and metabolism of vitamin A.
D000818:Animals; D001692:Biological Transport; D002247:Carbon Isotopes; D002845:Chromatography; D004789:Enzyme Activation; D007408:Intestinal Absorption / Q000187:drug effects; D051381:Rats; D014451:Ubiquinone / Q000378:metabolism; D014801:Vitamin A / Q000097:blood / Q000378:metabolism* / Q000494:pharmacology; D014802:Vitamin A Deficiency / Q000378:metabolism*
D002247:Carbon Isotopes; D014801:Vitamin A; D014451:Ubiquinone