Ishrat Yousuf, Shruti Redhu, Lakshmi Bhavana, Kumari Pallavi (2026) “Ultrasound-Guided Bilateral Infraorbital Nerve Block in Endoscopic Transnasal Transsphenoidal Pituitary Surgery: A Randomized Comparison of 0.2% Ropivacaine Alone Versus 0.2% Ropivacaine with Fentanyl for Intraoperative Analgesia and Postoperative Rec”, International Journal of Pharmacy Research & Technology (IJPRT), 16(1), pp. 3587–3599. Available at: https://ijprt.org/index.php/pub/article/view/2074 (Accessed: 18 August 2026).