A model for enhancing evidence-based capacity to make informed policy decisions on the introduction of new vaccines in the Americas: PAHO's ProVac initiative.
Andrus JK, Toscano CM, Lewis M, Oliveira L, Ropero AM, Dávila M, Fitzsimmons JW.
Public Health Rep. 2007 Nov-Dec; 122(6):811-6.
[Public Health Rep. 2007]