9Zornig C,Emmermann A,von Waldenfels HA,et al.Laparoscopic cholecystectomy without visible scar:combined transvaginal and transumbilical approach.Endoscopy,2007,39(10):913-915.
10Kala Z,Hanke I,Neumann C.A modified technic in laparoscopy-assisted appendectomy--a transumbilical approach through a single port.Rozhl Chir,1996,75(1):15-18.
1Ingraham AM, Cohen ME, Bilimoria KY ,et al. Comparison of out- comes after laparoscopic versus open appendectomy for acute ap- pendicitis at 222 ACS NSQ1P hospitals [ J]. Surgery, 2010,148 (4) :625 -35.
2Pokala N, Sadhasivam S, Kiran RP, et al. Complicated appendici- tis is the laparoscopic approach appropriate A comparative study with the open approach:outcome in a community hospital setting [J]. Am Surg,2007,73 (8):737 -41.
