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
Zdroj: The Journal of Infectious Diseases, 1989 Apr 01. 159(4), 766-769.
Databáze: JSTOR Journals