Author: Loyola Enrique Castillo-Salgado Carlos Nájera-Aguilar Patricia Vidaurre Manuel Mujica Oscar J. Martínez-Piedra Ramón
Publisher: Pan American Health Organization (PAHO)
ISSN: 1020-4989
Source: Revista Panamericana de Salud Pública/Pan American Journal of Public Health, Vol.12, Iss.6, 2002-12, pp. : 415-428
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