B. K. Baral, P. R. Poudel, M. Rajbhandari, A. J. Karki, and G. R. Dhakal, “Ultrasound versus Nerve Stimulator Guided Obturator Nerve Block in Patients Undergoing Transurethral Resection of Bladder Tumor”, J Nepal Health Res Counc, vol. 20, no. 4, pp. 998-1002, Jul. 2023.