Thong, K., S. Nair, G. Subramaniam, S. Puthucheary, R. Yassin, Y. Cheong, S. Liu, K. Sander-Son, A. Cordano, and T. I. M. S. G. on the M. E. & Genetic of S.typhi. “Genetic Dynamics and Molecular Epidemiology of Salmonella Typhi”. Medical Journal of Indonesia, Vol. 7, no. Supp1, Oct. 1998, pp. 147-50, doi:10.13181/mji.v7iSupp1.1062.