Sakajiki, M. A., B. Garba, Y. Ibrahim, B. A. Mohammed, U. Abdullahi, K. B. Sada, and T. M. Ibrahim. “Treatment Outcome of Tuberculosis at a Specialist Hospital in North Western Nigeria - A 30 Months Retrospective Study”. Pakistan Journal of Chest Medicine, vol. 24, no. 1, May 2018, pp. 04-09, http://www.pjcm.net/index.php/pjcm/article/view/501.