Ahmed Abdul Habib; Shah Fahad; Muhammad Atif; Javeria Saeed; Pervaiz Hashmi; Mujahid Jamil Khattak. Hip Replacement for Femur Neck Fracture in Elderly, Effects of Delayed Surgical Intervention on Morbidity and Mortality, a Retrospective Comparative Study. J Pak Med Assoc 2021, 71, 2255-2257.