Rafi, Ahsan, Wajahat Aziz, and Hammad Ather. 2021. “FREQUENCY AND PREDICTORS OF ACCESS FAILURE IN PATIENTS UNDERGOING URETERORENOSCOPY FOR UPPER URINARY TRACT CALCULI”. Pakistan Armed Forces Medical Journal 71 (3): 823-26. https://doi.org/10.51253/pafmj.v71i3.3511.