Okoacha, I., J. K. Isogun, A. Ekoh, O. Okhionkpamwonyi, and E. A. Akhator. “ Nigeria”. Kanem Journal of Medical Sciences, vol. 20, no. 1, June 2026, pp. 7-15, https://www.ajol.info/index.php/kjms/article/view/328537.