Ghazaly, Huda, Mahmoud Khalefa, Mohamed Sedeek, and Mohamed Hasanen. “Sphenopalatine Ganglion Block With Lidocaine Versus Bupivacaine for Optimizing Intraoperative Bleeding and Surgical Field Visibility During Endoscopic Septoplasty: A Randomized Double-Blind Controlled Trial”. Anaesthesia, Pain & Intensive Care 28, no. 1 (February 4, 2024): 92-99. Accessed May 8, 2024. https://www.apicareonline.com/index.php/APIC/article/view/2393.