Some observations on stomach and small intestine in tropics.
D000752:Anemia, Pernicious / Q000453:epidemiology; D006801:Humans; D007194:India / Q000453:epidemiology; D007410:Intestinal Diseases / Q000175:diagnosis; D008131:London / Q000453:epidemiology; D013182:Sprue, Tropical / Q000453:epidemiology; D013272:Stomach Diseases / Q000175:diagnosis; D014329:Tropical Climate; D001616:beta-Galactosidase / Q000172:deficiency
D001616:beta-Galactosidase