S. I. Omoruyi, A. B. Enogieru, and O. E. Ekpo, “Preliminary Cytotoxic Activity of Sutherlandia frutescens and Carpobrotus edulis on Malignant glioblastoma Cells: doi.org/10.26538/tjnpr/v3i5.5”, TJNPR, vol. 3, no. 5, pp. 175–179, May 2019.