D. Mantri, H. Dawar, and S. S. Singh, “Comparison of clinical and radiological outcomes of a proximal femoral nail with a helical screw versus a proximal femoral nail with two screws in elderly patients with intertrochanteric femur fractures”, Int J Res Orthop, vol. 12, no. 5, pp. 1373–1377, Aug. 2026.