Hu, D. J.Torel, CaroleKim-Farley, Robert J.2012-06-162012-06-1619941994-12-31https://iris.who.int/handle/10665/53666frImmunization ProgramsAutomatic Data ProcessingInformation SystemsImmunity and ImmunizationLe système d'information automatisé du Programme élargi de vaccinationJournal articles