Khadgi S, Gurung U, Shahi K, Pradhan B. Comparison of Intraoperative Bleeding During Bilateral Endoscopic Sinus Surgery with or without Pterygopalatine Fossa Block. J Otorhinolaryngol Facial Plast Surg [Internet]. 2024 Jun. 18 [cited 2024 Sep. 15];10(1). Available from: https://journals.sbmu.ac.ir/Otolaryngology/article/view/45592