By Álvarez Rafael   Kranwinkel Ramón   Lichtiger Benjamin   Linares G Jesús   Cruz José Ramiro   Schmunis Gabriel   Smith Dennis   in Revista Panamericana de Salud Pública/Pan American Journal of Public Health

ISSN:1020-4989|6|4|287-296

Pan American Health Organization (PAHO)‎(1999)‎

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