Hypolactasia and the irritable colon syndrome.
D003108:Colonic Diseases / Q000150:complications / Q000201:enzymology*; D005260:Female; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology; D007583:Jejunum / Q000201:enzymology; D007787:Lactose Intolerance / Q000150:complications / Q000201:enzymology*; D008297:Male