title: Nonoperative diagnosis of Hirschsprung's disease in neonates.
mesh_terms: D001003:Anal Canal / Q000503:physiopathology; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000175:diagnosis* / Q000503:physiopathology; D007235:Infant, Premature, Diseases / Q000175:diagnosis* / Q000503:physiopathology; D008365:Manometry / Q000295:instrumentation*; D008531:Megacolon / Q000175:diagnosis* / Q000503:physiopathology; D009130:Muscle, Smooth / Q000503:physiopathology; D009132:Muscles / Q000503:physiopathology; D012007:Rectum / Q000503:physiopathology; D012018:Reflex; D012021:Reflex, Abnormal / Q000175:diagnosis