"Prevalence of Typhoid Fever Among Admitted Patients of Federal University of Lafia Teaching Hospital, Lafia, Nasarawa State: A Retrospective Observational Study". Lafia Journal of Scientific and Industrial Research 4, no. 1 (أبريل 29, 2026): 226–232. تاريخ الوصول مايو 17, 2026. https://lafiascijournals.org.ng/index.php/ljsir/article/view/819.