9Keckler SJ,Yang JC,Fraser JD,et al.Contemporary practice patterns in the surgical management of Hirschsprung's disease.J Pediatr Surg,2009,44(6):1257-1260.
10Swenson O,Bill AH.Resection of rectum and rectosigmoid with preservation of the sphincter for benign spastic lesions producing megacolon.Surgery,1948,24:212-220.