Ravi, Dr. Lokesh. “Procyanidin B2 of Cassia Fistula a Potent Inhibitor of COVID19 Protease: A Molecular Dynamic Simulation Analysis”. Asian Journal of Pharmaceutics (AJP) 14, no. 2 (June 9, 2020). Accessed May 5, 2024. http://www.asiapharmaceutics.info/index.php/ajp/article/view/3623.