6Puri P,Rolle U. Variant Hirschsprung' s disease [J ]. Semin pedi- atr Surg,2004,13(4):293-299.
7Martucciello G, Prato AP, Puri P, et al. Controversies concern- ing diagnostic guidelines for anomalies of the enteric netvous system: a report from the fourth International Symposium on Hirschsprung's disease and related neurocristopathies[J~. J Pediatr Surg ,2005,40( 10): 1527.
8荣独山.x线诊断学[M].2版.上海:上海科学技术出版社,1997:115.
9Lewis SJ,Heaton KW.Stool form scale as a useful guide to intestinal transit time.Scand J Gastroenterol,1997,32:920-924.
10Lubowski DZ,Chen FC,Kennedy ML,et al.Results of colectomy for severe slow transit constipation.Dis Colon Rectum,1996,39:23-29.
