IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-7-36093 Original Research Paper Platelet-rich plasma Injection in early osteoarthritis knee Follow-up 1 year ABDUL HASSAN KHAN Dr. Dr. BIKRAMJIT GAYEN Dr. Dr. DEBARSHI JANA Dr. July 2021 10 7 01 02