Nasution, Elsa Fakhirah, et al. “Clinical and Hematological Correlates of TUBEX-TF Anti-O9 IgM Reactivity in Children With Typhoid Fever”. Indonesian Journal of Global Health Research, vol. 8, no. 6, Oct. 2026, pp. 657-62, doi:10.37287/ijghr.v8i6.2857.