Ismail, A., T. A. Tuan Ibrahim, K. E. Choo, and W. N. Wan Ghazali. “Recent Advances in the Rapid Serodiagnosis of Typhoid Fever”. Medical Journal of Indonesia, Vol. 7, no. Supp1, Oct. 1998, pp. 39-43, doi:10.13181/mji.v7iSupp1.1031.