K.N. SANDEEP; Y. PANDURANGA RAO. A Prospective Observational Study of Platelet Rich Plasma as A Modality of Treatment for Primary Knee Osteoarthritis. International Journal of Health and Clinical Research, [S. l.], v. 4, n. 23, p. 1–3, 2021. Disponível em: https://www.ijhcr.com/index.php/ijhcr/article/view/3616. Acesso em: 1 may. 2026.