ECONOMIC BURDEN OF OSTEOARTHRITIS MANAGEMENT IN ISLAMABAD AND RAWALPINDI, PAKISTAN: A COMPARATIVE PHARMACOECONOMIC ANALYSIS OF PHARMACOTHERAPY VERSUS TOTAL KNEE ARTHROPLASTY ACROSS PUBLIC AND PRIVATE HEALTHCARE SECTORS. FMHR. 2026;4(3):4366-4378. Accessed November 8, 2026. https://fmhr.net/index.php/fmhr/article/view/3798