Paudel, Deepak, S.T. Chettri, S.P. Shah, B.P. Shah, S. Manandhar, and S. Mishra. “The Effect of Pterygopalatine Fossa Block (PPFB) During Endoscopic Sinus Surgery (ESS) on Intraoperative Bleeding: A Randomized Control Trial”. Journal of BP Koirala Institute of Health Sciences 1, no. 2 (December 20, 2018): 35–41. Accessed November 21, 2024. https://nepjol.info/index.php/jbpkihs/article/view/22076.