Comparative Efficacy of Two, Three, or Four Doses of TY21a Live Oral Typhoid Vaccine in Enteric-Coated Capsules: A Field Trial in an Endemic Area
Autor: | Chilean Typhoid Committee, Ferreccio, Catterine, Levine, Myron M., Rodriguez, Hector, Contreras, Rodrigo |
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Zdroj: | The Journal of Infectious Diseases, 1989 Apr 01. 159(4), 766-769. |
Databáze: | JSTOR Journals |
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