4[2]Jackman S V, Docimo S G,Cadeddu J A,et al. The "mini-perc" technique: a less invasive alternative to percutaneous nephrolithotomy. World J Urol,1998, 16: 371-374.
5Bartel M.Retroperitoneoscopy:an endoscopic method for inspection and bioptic examination of the retroperitoneal space. Zentralbl Chir,1969,94:377-383.
6Wurtz A. Endoscopy of the retroperitoneal space: technics, results and current indications. Ann Chir, 1989,43:475-480.
7Fantoni PA, Tognoli S, Astuni M, et al. A technique of low retroperitoneoscopy. Endoscopy, 1982,14:102-104.
8Knysh VI, Cherkes VL, Tsariuk VF. Retroperitoneoscopy in the diagnosis of metastatic and primary retroperitoneal tumors. Khirurgiia, 1982,5:71-73.
9Kaplan LR, Johnston GR. Hardy RM Retroperitoneoscopy in dogs. Gastrointest Endosc, 1979,25:13-15.
10Zil'berman MN, Baev VA, Litvinenko AG, et al. Therapeutic and diagnostic use of retroperitoneoscopy in kidney and upper urinary tract diseases. Sov Med ,1978,12:113-115.
