The electronic databases included in the survey were LILACS Latin-American and Caribbean Health Sciences, COMPREHENSIVE MEDLINE Medical Literature end Retrieval System on Line, and PAHO Pan American Health Organization Database.
Las bases electrónicas investigadas fueron LILACS Literatura Latinoamericano en Ciencias de la Salud, COMPREHENSIVE MEDLINE Medical Literature end Retrieval System on Line, PAHO Base de Datos de la Organización de Salud Panamericana.
As bases eletrônicas pesquisadas foram LILACS Literatura Latino-Americano em Ciências de Saúde, COMPREHENSIVE MEDLINE Medical Literature end Retrieval System on Line, PAHO Base de Dados da Organização de Saúde Pan-Americana.