Beyene, Getenet, Daniel Asrat, Yohannes Mengistu, Abrham Aseffa, and John Wain. “Typhoid Fever in Ethiopia”. The Journal of Infection in Developing Countries 2, no. 06 (December 1, 2008): 448–453. Accessed November 27, 2024. https://jidc.org/index.php/journal/article/view/19745522.