E. Igetei, Joseph, et al. “Assessment of the Knowledge and Risk Factors Associated With Frequent Lassa Fever Outbreaks in Two Endemic Regions in South-South Nigeria: doi.org 10.26538 Tjnpr V4i7.7”. Tropical Journal of Natural Product Research (TJNPR), vol. 4, no. 7, July 2020, pp. 292-8, https://tjnpr.org/index.php/home/article/view/1169.