« 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, vol. 4, nᵒ 1, avril 2026, p. 226-32, https://doi.org/10.62050/ljsir2026.v4n1.819.