8Desai M M, Berger A K,Brandina R,et al. Laparoen- doscopic single-site surgery: initial hundred patients [J]. Urology, 2009,74 (4) : 805- 812.
9Choi K H, Yang S C, Lee J W,et al. Laparoendoscop- ic single-site surgery for ureterolithotomy: focus on intraeorporeal stenting and suturing[J]. Urology, 2010,76 (6): 1283-1287.
10Kim T H,Jeong B C,Seo S I,et al. Transumbilical laparoendoscopic single-site ureterolithotomy for large impacted ureteral stones: initial experiences[J]. Kore- an J Urol,2010,51(6) :403-408.
