Ramsali MV, Saradadevi V, Kulkarni D, Sivakumar V, Surender P, Appagalla S. Bilateral Infraorbital Nerve Block for Postoperative Analgesia after Functional Endoscopic Sinus Surgery: A Prospective Randomized Study. Res Inno Anesth 2023; 8 (1):6-10.