Derbie, A., Y. Mezgebu, D. Mekonnen, T. Birku, A. Dessalegn, S. Tadesse, and F. Biadglegne. “The Epidemiology of Smear Positive Pulmonary Tuberculosis at Felege Hiwot Referral Hospital, Northwest Ethiopia”. The Ethiopian Journal of Health Development, vol. 31, no. 3, Sept. 2017, https://ejhd.org/index.php/ejhd/article/view/1354.