Diseases of intestinal absorption and secretion.
D006801:Humans; D007231:Infant, Newborn; D007413:Intestinal Mucosa / Q000201:enzymology / Q000276:immunology; D007422:Intestines / Q000382:microbiology; D008286:Malabsorption Syndromes / Q000209:etiology / Q000503:physiopathology; D012106:Research