ADNAN, M., AHMAD, I., KHAN, M., SAIFULLAH, HUSSAIN, M. and JAVED, N. 2023. EFFICACY AND SAFETY OF SEMI-RIGID URETEROSCOPY, FLEXIBLE URETEROSCOPY, AND SHOCK WAVE LITHOTRIPSY FOR INITIAL TREATMENT OF PROXIMAL URETERAL STONES- A COMPARATIVE STUDY. Biological and Clinical Sciences Research Journal. 2023, 1 (Jan. 2023), 192. DOI:https://doi.org/10.54112/bcsrj.v2023i1.192.