Okwesa, Ajiroghene, Nyemike Awunor, Mamodesan Okumagba, Augustine Okwesa, and Efe Abolodje. “ Delta State Nigeria”. Nigerian Medical Journal 66, no. 1 (April 3, 2025): 235. Accessed April 23, 2026. https://www.nigerianmedjournal.org/index.php/nmj/article/view/695.