title: Histochemical criteria for the diagnosis of Hirschsprung's disease in rectal suction biopsies by acetylcholinesterase activity.
mesh_terms: D000110:Acetylcholinesterase / Q000378:metabolism; D001706:Biopsy; D006801:Humans; D007231:Infant, Newborn; D008531:Megacolon / Q000175:diagnosis*; D012007:Rectum / Q000473:pathology
chemical_list: D000110:Acetylcholinesterase