Edino, S., A. Mohammed, O. Ochicha, and M. Anumah. “Appendicitis in Kano, Nigeria: A 5-Year Review of Pattern, Morbidity and Mortality”. Annals of African Medicine, vol. 3, no. 1, Aug. 2004, https://www.ajol.info/index.php/aam/article/view/8300.