Szpanelewski K, Kołodziej R, Kołodziej A, et al. PLATELET-RICH PLASMA VERSUS HYALURONIC ACID IN THE TREATMENT OF PAIN ASSOCIATED WITH KNEE OSTEOARTHRITIS: A NARRATIVE REVIEW OF CURRENT EVIDENCE. IJITSS. 2026;5(2(50). doi:10.31435/ijitss.2(50).2026.5643