[Importance of internal sphincter in the surgery of Hirschsprung's disease].
D001003:Anal Canal / Q000601:surgery*; D002648:Child; D004931:Esophageal Achalasia / Q000601:surgery; D006801:Humans; D008531:Megacolon / Q000601:surgery*; D008722:Methods; D012007:Rectum / Q000601:surgery*
L'importance du sphincter interne dans la chirurgie de la maladie de Hirschsprung.