1. 1. Naeem M, Jan MA, Ullah A, Ali L, Khan S, Amin-ul-Haq , et al. Percutaneous nephrostomy for the relief of upper urinary tract obstruction: an experience with 200 cases. JPMI. 2010; 24(2):147-52.
2. 2. Percutaneous nephrostomy for the relief of upper urinary tract obstruction: an experience with 200 cases. JPMI. 2010; 24(2):147-52.
3. 3. Klein, L.A., Koyle,M. and Berg,S,: The emergency management of patients with ureteric calculi and fever. J. Urol., 129: 938, 1983.
4. 4. Albarran, J.: Nephrostomies. In: Medicine operatoire des voiesUranaires. Paris: Masson et Cie, 1909.
5. 5. Cobb, B.: Silverman needle nephrostomy. J. Urol., 98:309, 1967.