1Schmitz W,Hegemann G. Zur konservativen behandlung der harnleiterstrikturen unter besonderer berucksichtigung gynakologischer grundleiden. Urologe(Ausg A).1966;5(5):251.
2Finney RP. Experience with new double J ureteral catheter stent J Urol. 1978;120:678.
3Mardis HK, Kroeger RM, Hepperlen TW, et al.Polyethylen double-- pigtail ureteral stents. Urol Clin North Am. 1982;9:95.
4Hepperlen TW, Mardis HK, Kammandal H. Self -- retained internal ureteral stents:A new approach. J Urol 1978;119:731.
5Ramsay JW, Payne SR,Gosling PT,et al. The effects double J stenting on unobstructed ureters. An experimental and clinical study. Br J Urol 1985;57(6):630.
6Finney RP. Double--J and diversion stents. Urol Clin North Am 1982'9:89.