Hyder, Raza Rahim, Yasir Khan, Muhammad Umar, Tariq Aziz, and Mohammad Saeed. 2018. “THE USEFULNESS OF INTER-RENAL RESISTIVE INDEX DIFFERENCE IN DIAGNOSING ACUTE UNILATERAL URETERIC OBSTRUCTION DUE TO CALCULUS”. Pakistan Armed Forces Medical Journal 59 (2):211-6. https://pafmj.org/PAFMJ/article/view/1894.