3Valla JS, Limonne B, Valla V,et al. Laparoscoplc appendectomy in children: Report of 465 cases.Surg Laparosc Endosc,1991,1:166-172.
4Relertsen O, Larsen S, Trondsen E,et al. Randomized controlled trial with sequential design of laparoscopic versus conventional appendicectomy.Br J Surg,1997,84:842-847.
5Marzouk M, Khater M, Elsadek M,et al. Laparoscopic versus open appendectomy.Surg Endosc,2003,17:721-724.
6Ikeda K, Goto S. Diagnosis and treatment of Hirschsprung's disease in Japan : An analysis of 1628 patients [ J ]. Ann Surg, 2006 ( 199 ) : 400 -405.
7Harswick C. Clinical guideline, computed tomography scan, and negative appendectomies: a case series [ J ]. Am J Emerg Med ,2006,24:68 -72.
8Sauerland S, Lefering R, Neugebauer EAM. Laparoscopic versus open sergery for suspected appednicitis [ J ]. Co- chrane Database Syst Rev,2007,1 :CD001546.
9Oka T, Kurkchubasche AG, Bussey JG, et al. Open and lap- aroscopic appendectomy are equally safe and acceptable in children [ J ]. Sure Endosc .2006.18:242-245.
