Lactose deficiency and the "irritable-colon syndrome".
D002239:Carbohydrate Metabolism, Inborn Errors; D003108:Colonic Diseases; D005696:Galactosidases; D006801:Humans; D007785:Lactose; D007787:Lactose Intolerance
D005696:Galactosidases; D007785:Lactose