Kumar, Om, A. Nashikkar, R. Jayaraj, R. Vijayaraghavan, and A. Prakash. “Purification and Biochemical Characterisation of Ricin from Castor Seeds”. Defence Science Journal 54, no. 3 (July 1, 2004): 345-351. Accessed August 14, 2022. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/2048.