“Isolation, Characterization and Antiplasmodial Activity of Phytochemical Constituents from Monanthotaxis Parvifolia (Oliv.) Verdc Ssp. Kenyensis Verdc”. 2018. The East and Central African Journal of Pharmaceutical Sciences 17 (3): 87-93. http://jsep.uonbi.ac.ke/ojs/index.php/ecajps/article/view/174.