Sivakkumar. S, Juliet L, Jasmine Ranjana V, and Meenakumari R. “AYUSH Kudineer: An Immune Boosting Herbal Health Drink for COVID-19”. Journal of Siddha 4, no. 1 (January 2, 2021): 48-57. Accessed October 25, 2021. https://jos.nischennai.org/josnis/index.php/jos/article/view/4.