title: Histochemistry in the diagnosis and investigation of congenital aganglionosis (Hirschsprung's disease).
mesh_terms: D000110:Acetylcholinesterase / Q000032:analysis; D002395:Catecholamines / Q000032:analysis; D003106:Colon / Q000294:innervation / Q000473:pathology; D005453:Fluorescence; D005725:Ganglia, Autonomic / Q000473:pathology; D006651:Histocytochemistry; D006801:Humans; D008531:Megacolon / Q000175:diagnosis* / Q000201:enzymology / Q000473:pathology; D008722:Methods; D012007:Rectum / Q000294:innervation / Q000473:pathology; D013194:Staining and Labeling
chemical_list: D002395:Catecholamines; D000110:Acetylcholinesterase