A Comparative Study of Proximal Femoral Nail Antirotation-II and Cemented Bipolar Hemiarthroplasty for the Treatment of Unstable Intertrochanteric Fractures in Elderly Patients. - Rastogi, Devarshi; Waliullah, Shah; Pant, Shatakshi; Mohan, Ravindra; Shukla, Krishna Mani (Journal of Arthroscopy & Joint Surgery, 2025)