6Katkhouda N,Mason RJ,Towfigh S, et al. Laparoscopic versus open appendectomy. A prospective randomized double-blind study. Ann Surg ,2005, 242(3): 439-450.
7Krukowski ZH, Lrw ST, Denhom S, et a al. Preventing wound infection after appendectom, a review. Br J Surg, 1988, 75 (10) : 1023.
8Yagmulu A,Vernon A,Barnhart DC,et al.Laparo-scopic appendectomy for perforated appendicitis:a comparison with open appendectomy.Surg Endosc,2006,20:1051-1054.
9Harrell,Andrew G,Lincourt,et al.Advantages of laparoscopic appendectomy in the elderly.American Surgeon,2006,72:474-478.
10Namir K,Rodoey J,Mason,et al.Laparoscopic versus open appendicectomy:A prospective randomized double-blind study.Ann Surg,2005,242:439-450.