Sohail, A. et al. 2021. COMPARISON OF PAIN RELIEF EFFICACY OF PLATELET-RICH PLASMA VERSUS CORTICOSTEROIDS IN KNEE OSTEOARTHRITIS: Platelet-Rich Plasma Vs Corticosteroids in Knee Osteoarthritis. Pakistan Armed Forces Medical Journal. 71, 5 (Oct. 2021), 1764–68. DOI:https://doi.org/10.51253/pafmj.v71i5.4135.