Ahmed Beniamen Mohamed Hussien, Zaki Taha Saleh, Hala Abdel Sadek Al attar, Yasser Mohamed Nasr. Postoperative Regional Scalp Block versus Intravenous Fentanyl for Postsupratentorial Craniotomy Analgesia in Adult Patients under General Anesthesia. Int. J. Res. Pharm. Sci. [Internet]. 2020 Oct. 12 [cited 2024 Dec. 22];11(4):6039-46. Available from: https://ijrps.com/home/article/view/1318