Punch biopsy of the rectum for the diagnosis of Hirschsprung's disease.
D000293:Adolescent; D000758:Anesthesia / Q000009:adverse effects; D001706:Biopsy / Q000009:adverse effects; D002648:Child; D002675:Child, Preschool; D006470:Hemorrhage / Q000209:etiology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007413:Intestinal Mucosa / Q000473:pathology; D008531:Megacolon / Q000175:diagnosis* / Q000473:pathology; D008722:Methods; D012007:Rectum / Q000473:pathology*; D012141:Respiratory Tract Infections / Q000209:etiology