Khattak, I. K., M. Irshad, Z. Ullah, and R. Gul. “Obstructive Uropathy Percutaneous Nephrostomy in Seriously Ill Patients”.
Journal of Postgraduate Medical Institute
, vol. 10, no. 1, Aug. 2011, https://jpmi.org.pk/index.php/jpmi/article/view/522.