Author: Arboleda-Moreno Yexania Hoyos Luz Stella Carvajal Silvio Sierra-Torres Carlos H.
Publisher: Pan American Health Organization (PAHO)
ISSN: 1020-4989
Source: Revista Panamericana de Salud Pública/Pan American Journal of Public Health, Vol.15, Iss.6, 2004-06, pp. : 367-372
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Abstract