1Nagai H, Inaba T, Kamiya S, et al. A new method of laparoscopic cholecystectomy: an abdominal wall lifting technique without pneumoperitoneum[ J]. Surg Laparosc Endosc, 1991,1 (2) : 126-128.
2Hashimoto D, Nayeem SA, Kajiwara S, et al. Abdominal wall lifting with subcutaneous wiring : an experience of 50 cases of laparoscopic eholeeysteetomy without pneumoperitoneum [ J ]. Surg Today, 1993,23 ( 9 ) : 786-790.
3D Urbano C, Fuertes Guiro F, Sampietro R. Gasless laparoscopic cholecystectomy using retractor of the abdominal wall [ J ]. G Chir, 1996,17 ( 3 ) : 121-124.
4Horvath KD, Whelan RL, Lier B, et al. The effects of elevated intraabdominal pressure, hypercarbia, and positioning on the hemodynamic responses to laparoscopic colectomy in pigs° Surg Endosc, 1998,12 ( 2 ) : 107-114.
5Galizia G, Prizio G, Lieto E, et al. Hemodynamic and pulmonary changes during open, carbon dioxide pneumoperitoneum and abdominal wall-lifting cholecystectomy. A prospective, randomized study [ J ]. Surg Endosc ,2001,15 ( 5 ) :477-483.
6Ohta J, Kodama I, Yamauchi Y, et al. Abdominal wall lifting with spinal anesthesia vs pneumoperitoneum with general anesthesia for laparoscopic hemiorrhaphy [ J ]. Int Surg, 1997,82 ( 2 ) : 146-149.
7Akira S, Yamanaka A, Ishihara T, et al. Gasless laparoscopic ovarian cystectomy during pregnancy:comparison with laparotomy [J]. Am J Obstet Gynecol,1999,180(3 Pt 1) :554-557.
8Phupong V, Bunyavejchewin S. Gasless laparoscopic surgery for ovarian cyst in a second trimester pregnant patient with a ventricular septal defect [ J ]. Surg Laparos, c Endosc Percutan Tech, 2007,17 (6) : 565-567.
9Wheeless CR. A rapid, inexpensive and effective method of surgical sterilization by laparoscopy [ J ]. J Reprod Med, 1969,3 (5) : 65 -69.
10Esposito C. One-trocar appendectomy in pediatric surgery[J].Surg Endosc, 1998,12 ( 2 ) : 177-178.
2Nagai H. A new method of laparoscopic cholecystectomy : an abdominal wall lifting technique without pneumoperitoneum [J]. Surgical Laparoscopy & Endoscopy, 1991,7 (2) : 126-1281.
4Kosumi T, Kubota A, Usui N, et al. Laparoscopic ovarian cystectomy using a single umbilical puncture method [ J ]. Surg Laparosc Endosc Percutan Tech ,2001,11 ( 1 ) :63-65.
5Ghezzi F, Cromi A, Fasola M, et al. One-trocar salpingectomy for the treatment of tubal pregnancy: a "marionette-like" technique [ J ]. BJOG, 2005,112 (10) : 1417-1419.
6D'Alessio A, Piro E, Tadini B, et al. One-tracar transumbilical laparoscopic-assisted appendectomy in children:our experience [ J ]. Eur J Pediatr Surg, 2002,12 ( 1 ) : 24-27.
7Raman JD, Bensalah K, Bagrodia A, et al. Laboratory and clinical development of single key hole umbilical nephrectomy [ J ]. Urology ,2007,70 (6) : 1039-1042.
8Cobellis G, Cruccetti A, Mastroianni L, et al. One-tracar transumbilical laparoscopic-assisted management of Meckel's diverticulum in children [ J ]. J Laparoendosc Adv Surg Tech A,2007,17 (2) :238-241.
9Bucher P, Pugin F, Morel P. Single port access laparoscopic right hemico-lectomy [ J ]. Int J Colorectal Dis, 2008,23 (10) : 1013- 1016.
10Cuesta MA, Berends F, Veenhof AA. The "invisible cholecystectomy". A tran-sumbilical operation without a scar[ J ]. Surg Endosc ,2008,22 (5) : 1211-1213.