K. Ogbeide, Osahon, et al. “Antiplasmodial and Acute Toxicity Studies of Fractions and Cassane-Type Diterpenoids from the Stem Bark of Caesalpinia Pulcherrima (L.) Sw.: doi.org 10.26538 Tjnpr V2i4.5 ”. Tropical Journal of Natural Product Research (TJNPR), vol. 2, no. 4, Apr. 2018, pp. 179-84, https://tjnpr.org/index.php/home/article/view/544.