Messele, Tsehaynesh, and Solomon Abebe. “Seroepidemiological Investigations on Typhus in Mekele, Dessie and the Nearby Towns”. The Ethiopian Journal of Health Development 12, no. 1 (March 17, 2017). Accessed April 24, 2024. https://ejhd.org/index.php/ejhd/article/view/928.