Dr M Suchitra, Dr. Vineet Reddy G, Dr.Asha latha and Dr.Subhashree J 2025. A Case Series on Ultra Sound Guided Peng Block for Postoperative Analgesia in Patients Undergoing Proximal Femur Nailing. International Journal of Pharmacy Research & Technology (IJPRT). 15, 2 (Nov. 2025), 3501–3505.