By Montes Gustavo Adolfo Ávila   Ponce Carlos   Ponce Elisa   Hernández Mercedes Martínez   Flores Mario   in Revista Panamericana de Salud Pública/Pan American Journal of Public Health

ISSN:1020-4989|6|5|311-320

Pan American Health Organization (PAHO)‎(1999)‎

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By Montes Gustavo Ávila   Hernández Mercedes Martínez   Ponce Carlos   Ponce Elisa   Hernández Ramón Soto   in Revista Panamericana de Salud Pública/Pan American Journal of Public Health

ISSN:1020-4989|3|3|158-163

Pan American Health Organization (PAHO)‎(1998)‎

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