3Chung RS, Rowland DY, Li P, et al. A meta-analysis of randomized controlled trials of laparoscopie versus conventional appendectomy [J].Am J Surg, 1999,177 (3) :250 - 256.
5Esposito C, Borzi P, Valid JS, et al. Laparoscopic versus open appendectomy in children:a retrospective comparative study of 2 332 cases [J]. World J Surg,2007,31 (4) :750 -755.
10Kalloo AN, Singh VK ,Jagannath SB, et al. Flexible transgastric peritoneoscopy : a novel approach to diagnostic and therapeutic interventions in the peritoneal cavity [ J ]. Gastrointest Endosc, 2004,60 (1) :114 -117.