Li, Yan, and Jun Tian. “Evaluation of Local Anesthetic and Antipyretic Activities of Cinchona Alkaloids in Some Animal Models”. Tropical Journal of Pharmaceutical Research 15, no. 8 (September 5, 2016): 1663–1666. Accessed September 19, 2026. https://www.ajol.info/index.php/tjpr/article/view/143329.