The validity of the Schilling test in investigating the intestinal absorption of vitamin B12 in Egyptians (II. Urinary bilharziasis).
D006801:Humans; D007408:Intestinal Absorption; D012546:Schilling Test; D012552:Schistosomiasis / Q000378:metabolism*; D014805:Vitamin B 12 / Q000378:metabolism*
D014805:Vitamin B 12