Studies on vitamin A absorption in children.
D002648:Child; D002675:Child, Preschool; D003967:Diarrhea / Q000378:metabolism*; D006801:Humans; D007408:Intestinal Absorption; D007732:Kwashiorkor / Q000378:metabolism*; D012141:Respiratory Tract Infections / Q000378:metabolism*; D014316:Tritium; D014801:Vitamin A / Q000008:administration & dosage / Q000378:metabolism* / Q000652:urine
D014316:Tritium; D014801:Vitamin A