Sundhararajan R, and Ravichandiran V. “Anti-Nociceptive Activity of Ethanolic Extract of Spermacoce Hispida L.”. International Journal of Research in Pharmaceutical Sciences 3, no. 1 (January 25, 2012): 173-175. Accessed October 26, 2020. https://pharmascope.org/ijrps/article/view/1014.