Disaccharidase deficiency.
D000293:Adolescent; D000328:Adult; D002239:Carbohydrate Metabolism, Inborn Errors / Q000209:etiology; D004187:Disaccharides / Q000378:metabolism*; D005690:Galactose; D005947:Glucose; D006026:Glycoside Hydrolases; D006801:Humans; D007408:Intestinal Absorption; D007787:Lactose Intolerance; D008659:Metabolic Diseases; D009747:Nutritional Physiological Phenomena; D013395:Sucrose
D004187:Disaccharides; D013395:Sucrose; D006026:Glycoside Hydrolases; D005947:Glucose; D005690:Galactose