Oral immunisation against typhoid fever in Indonesia with Ty21a vaccine.
Simanjuntak CH, Paleologo FP, Punjabi NH, Darmowigoto R, Soeprawoto, Totosudirjo H, Haryanto P, Suprijanto E, Witham ND, Hoffman SL.
Simanjuntak CH, et al. Among authors: punjabi nh.
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PMID: 1681365
Clinical Trial.