Vitamin B 12  and tropical sprue.
D000748:Anemia, Macrocytic / Q000209:etiology; D000818:Animals; D001835:Body Weight; D005492:Folic Acid / Q000378:metabolism; D006801:Humans; D007082:Ileum / Q000378:metabolism; D007408:Intestinal Absorption; D007437:Intrinsic Factor / Q000378:metabolism; D008099:Liver / Q000378:metabolism; D011955:Receptors, Drug; D012546:Schilling Test; D013182:Sprue, Tropical / Q000150:complications / Q000378:metabolism*; D014805:Vitamin B 12 / Q000097:blood / Q000378:metabolism*; D014806:Vitamin B 12 Deficiency / Q000150:complications / Q000209:etiology
D011955:Receptors, Drug; D007437:Intrinsic Factor; D005492:Folic Acid; D014805:Vitamin B 12