2[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.
3Turna B,Nazli O,Demiryoguran S,et a1.Percutaneous nephrolitho-tomy:variables that influence hemorrhage.Urology,2007,69(4):603-607.