Rasheed, Muhammad Asif, et al. “Tip Apex Distance As Predictor of Mechanical Complications  in Unstable Intertrochanteric Fractures Treated With Proximal Femoral Nails”. Pakistan Armed Forces Medical Journal, vol. 74, no. SUPPL-2, Oct. 2024, pp. S179-S183., https://doi.org/10.51253/pafmj.v74iSUPPL-2.12248.