A. F. Kabapy, A. M. Kotkat, H. Z. Shatat, and E. W. Abd El Wahab, “Clinico-epidemiological profile of fever of unknown origin in an Egyptian setting: A hospital-based study (2009–2010)”, J Infect Dev Ctries, vol. 10, no. 01, pp. 30–42, Jan. 2016.