On the innervation of the large intestine and microscopic examinations in Hirschsprung's disease in children.
D001706:Biopsy; D002648:Child; D006801:Humans; D007420:Intestine, Large / Q000294:innervation*; D008531:Megacolon / Q000473:pathology*; D012007:Rectum / Q000473:pathology