7Knispel HH, Klan R, Heicappell R, et al. Pneumatic lithotripsy applied through deflected working channel of miniureteroscope: results in 143 patients. J Endourol, 1998,12:513-515.
8Graff J;Schmidt A;Pastor J.New generator for low pressure lithotripsy with the Dornier HM3: preliminary experience of 2 centers,1988.
9Lingeman JE;Siegel YI;Steele B.Management of lower pole nephrolithiasis: a critical analysis,1994.
10Ehreth JT;Drach GW;Arnett ML.Extracorporeal shock wave lithotripsy:multicenter study of kidney and upper ureter versus middle and lower ureter treatments,1994(05).
