By Bratti M. Concepción   Rodríguez Ana C.   Schiffman Mark   Hildesheim Allan   Morales Jorge   Alfaro Mario   Guillén Diego   Hutchinson Martha   Sherman Mark E.   Eklund Claire   Schussler John   Buckland Julie   Morera Lidia A.   Cárdenas Fernando   Barrantes Manuel   Pérez Elmer   Cox Thomas J.   Burk Robert D.   Herrero Rolando   in Revista Panamericana de Salud Pública/Pan American Journal of Public Health

ISSN:1020-4989|15|2|75-89

Pan American Health Organization (PAHO)‎(2004)‎

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