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2025. A Comparative Study Of Ultrasound Guided Pericapsular Nerve Group [Peng] Block Versus Suprainguinal Fascia Iliaca Compartment [Sifi] Block Using Ropivacaine In Patients With Fracture Femur For Reducing Pain Associated With Positioning For Subarachnoid Blo. International Journal of Environmental Sciences. (Sep. 2025), 2484–2489. DOI:https://doi.org/10.64252/1rgtra04.