Sarasombath, S., Korbsrisate, S., Banchuin, N., Thanomsakyuth, A., Sukosol, T., & Ekpo, P. (1998). Serological approaches of Typhoid fever. Medical Journal of Indonesia, 7(Supp1), 54–8. https://doi.org/10.13181/mji.v7iSupp1.1034