7Smith J J, Hollowell J G, Roth R A. Muhimodalily treatment of complex renal calcule[J]. J Urol, 1990, 143:891-894.
8Kapoor R, Solanki F, Singhania P,et al. Safety and efficacy of percutaneous nephrolithotomy in the pediatric population[J]. J Endourol,2008,22(4) :637-640.
9Singla M,Srivastava A,Kapoor R,et al. Aggressive approach to staghorn calculi-safety and efficacy of multiple tracts percutaneous nephrolithotomy[J]. Urology, 2008, 71(6) :1039-1042.
10Macek P,Novak K, Hanus T,et al. Analysis of results of percutaneous nephrolithotomies[J]. Cas Lek Cesk, 2007,146(10) :809-812.