1. Congenital megacolon (Hirschsprung’s disease);Swenson;Pediatrics,1953
2. 40-year multinational retrospective study of 880 Swenson procedures;Sherman;J Pediatr Surg,1989
3. Congenital megacolon;Opper;Am J Pathol,1935
4. Stuhltraghejnt neugebomer en fotge yon dilatation Ul1d hype Ttrophie des colons;Hirschsprung;Jah l “b Kinderheilk,1888
5. Diagnosis of congental megacolon;Swenson;J Pediatr Surg,1973