Sneha J Anarthe, E. Malavika, A. Pravalika, and M. Ganga Raju. “In Vitro and in Vivo Evaluation for Immunomodulatory Activity of Methanol Extract of Sphaeranthus Indicus (Linn)”. International Journal of Phytomedicine, vol. 7, no. 4, Dec. 2015, pp. 432-40, https://ijp.arjournals.org/index.php/ijp/article/view/435.