title: Severe chronic constipation as a surgical problem.
mesh_terms: D000110:Acetylcholinesterase / Q000378:metabolism; D000293:Adolescent; D000328:Adult; D002648:Child; D002908:Chronic Disease; D003248:Constipation / Q000175:diagnosis / Q000503:physiopathology / Q000601:surgery*; D004043:Dietary Fiber; D005260:Female; D005769:Gastrointestinal Motility; D006627:Hirschsprung Disease / Q000175:diagnosis / Q000503:physiopathology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007408:Intestinal Absorption; D007418:Intestinal Pseudo-Obstruction / Q000503:physiopathology; D008297:Male; D008365:Manometry; D008531:Megacolon / Q000503:physiopathology; D010808:Physical Examination; D012007:Rectum / Q000503:physiopathology; D012812:Sigmoidoscopy
chemical_list: D004043:Dietary Fiber; D000110:Acetylcholinesterase