Ravappa Ganapathi, Vinodh Varada, Srinivasa Rao Reddi, Ashok Reddy Rapaka, and Vikram Gottipati. “The Effects of Autologous Platelet Rich Plasma in Chronic Non- Healing Ulcers”. International Journal of Health and Clinical Research, vol. 4, no. 19, Nov. 2021, pp. 374-7, https://ijhcr.com/index.php/ijhcr/article/view/3148.