Sultana, S.; Hossain, M.; Alam, M.; Paul, S.; Mahmud, C.; Kabir, M.; Haque, N.; Yasmin, T.; Kayes, M.; Maruf, A.; Kobayashi, N. Nested Polymerase Chain Reaction for Early Diagnosis of Typhoid Fever. Mymensingh Med. J. 2012, 21, 21-27.