Chapagain, Utshav, Gajendra Prasad Raunair, Kumud Chapagain, and Rakesh Verma. “Convalescent Plasma Therapy for COVID-19: A Review of Old Therapy Against New Disease”. International Journal of Basic & Clinical Pharmacology 9, no. 12 (November 25, 2020): 1909–1916. Accessed October 21, 2025. https://www.ijbcp.com/index.php/ijbcp/article/view/4447.