Santosh Kumar, Rada, and Ch. Chandra Kiran. “Edible Vaccines: Trigger of Body’s First Line Defense”. Journal of Drug Delivery and Therapeutics 9, no. 4-A (August 30, 2019): 811-814. Accessed April 29, 2024. https://www.jddtonline.info/index.php/jddt/article/view/3619.