Chaudhry, Rama, et al. “Application of Nested Polymerase Chain Reaction for <em>Salmonella enterica< em> v<em>ar. typhi< em> In the Diagnosis of Typhoid Fever”. Medical Journal of Indonesia, vol. 7, no. Supp1, Oct. 1998, pp. 162-5, doi:10.13181/mji.v7iSupp1.1091.