Nelwan, R.H.H., A. Widjanarko, Hendarwanto Hendarwanto, I. Zulkarnain, and J. Gunawan. 1994. “Double Blind Randomized Controlled Study of Once Daily 400 Mg pefloxacin short Course in Typhoid and Paratyphoid Fever”. Medical Journal of Indonesia 3 (1), 38-41. https://doi.org/10.13181/mji.v3i1.940.