“Dynamic Hip Screw Versus Proximal Femoral Nail in Treatment of Unstable Intertrochanteric Fracture of Femur AO OTA Types 31 A2 and 31A3 in Patients above Sixty Years Old. A Comparative Study”. 2023. AMJ (Advanced Medical Journal) 4 (1): 85-89. https://doi.org/10.56056/amj.2018.49.