Alisi, Precious. Nc., B. FI, and A. CS. “Oxidative Stress As a Significant Contributor in the Pathogenesis and White Cell Changes in Pre-Eclampsia: A Study in Owerri, Nigeria”. Journal of Research in Biology, Vol. 1, no. 3, July 2011, pp. 202-8, https://ojs.jresearchbiology.com/index.php/jrb/article/view/72.