DR. SRAVANI M; DR. VASANTH KUMAR K. R; DR. P.SREENIVASULU; DR. KIRAN KUMAR O; DR. SAHANA S; DR. VIJAYASRI. A Comparative Study of Ultrasound Guided Pericapsular Nerve Group [Peng] Block Versus Suprainguinal Fascia Iliaca Compartment [Sifi] Block Using Bupivicaine In Patients with Fracture Femur for Reducing Pain Associated with Positioning for Subarachnoid Block - A Randomised Controlled Study. International Journal of Pharmacy Research & Technology (IJPRT), [S. l.], v. 16, n. 1, p. 4025–4030, 2026. Disponível em: https://ijprt.org/index.php/pub/article/view/2109. Acesso em: 18 aug. 2026.