“Comparative Study Between Holmium Laser Versus Pneumatic Ureteroscopic Lithotripsy for Proximal Ureteric Stones Close to Pelvi-Ureteric Junction (PUJ) -A Prospective Trial”. 2020. Bangladesh Journal of Urology 23 (2): 188-92. https://doi.org/10.3329/bju.v23i2.50313.