“Cementless Extensive Porous-Coated Mono-block Long Stem Hemiarthroplasty versus Proximal femoral Nail for Unstable Osteoporotic Intertrochanteric Fracture in the Elderly Patients: a retrospective study”, int.jour.sci.res.mana, vol. 10, no. 02, pp. 531–538, Feb. 2022, doi: 10.18535/ijsrm/v10i02.mp01.