9789275115763 oap &copy; Pan American Health Organization, 2004 Pan American Health Organization <xhtml:span xmlns:xhtml="http://www.w3.org/1999/xhtml" xml:lang="en">Obesity and Poverty. A New Public Health Challenge</xhtml:span> 2006-03-13T13:27:46^^http://www.w3.org/2001/XMLSchema#dateTime