Author: Smitley Michelle G. Waldman H. Barry Perlman Steven P. Ocanto Romer A.
Publisher: Pan American Health Organization (PAHO)
ISSN: 1020-4989
Source: Revista Panamericana de Salud Pública/Pan American Journal of Public Health, Vol.25, Iss.4, 2009-04, pp. : 322-327
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