O. Usman, Sukurat, et al. “Anti-Inflammatory Investigations of the Ethanol Extract of Phaulopsis Falcisepala C.B. Clarke (Acanthaceae) Whole Plant in Rodents: doi.org 10.26538 Tjnpr V4i4.8”. Tropical Journal of Natural Product Research (TJNPR), vol. 4, no. 4, Apr. 2020, pp. 165-71, https://tjnpr.org/index.php/home/article/view/1065.