Afsar, Muhammad Adnan, et al. “Comparison of Efficacy Between Intra-Articular Tramadol Versus Intraticular Corticosteriod Injection in Knee Osteoathritis”. Pakistan Armed Forces Medical Journal, vol. 76, no. SUPPL-10, Oct. 2026, pp. S1587-S1590, https://doi.org/10.51253/pafmj.v76iSUPPL-10.11105.