Rahul Kumar, and A.O Afzal. “The Efficacy of Platelet-Rich Plasma Therapy and Corticosteroid Injection in the Treatment of Planter Fasciitis: A Comparative Study”. International Journal of Health and Clinical Research, vol. 4, no. 17, Sept. 2021, pp. 394-6, https://www.ijhcr.com/index.php/ijhcr/article/view/2850.