Khan, Sara, Bushra Nayyar, and Salahuddin Baloch. 2015. “RESISTIVE INDEX ON DOPPLER ULTRASOUND AFTER RENAL TRANSPLANTATION AS RENAL FUNCTION PREDICTOR: Doppler Ultrasound After Renal Transplantation”. Pakistan Armed Forces Medical Journal 65 (5):635-39. https://pafmj.org/PAFMJ/article/view/1079.