title: A simple recording system for the diagnosis of Hirschsprung's disease and idiopathic megacolon.
mesh_terms: D002648:Child; D006801:Humans; D007734:Kymography / Q000295:instrumentation*; D008365:Manometry / Q000295:instrumentation*; D008531:Megacolon / Q000175:diagnosis* / Q000503:physiopathology; D009119:Muscle Contraction