2529-850X 2529-850X S2529-850X2020000600631 10.19230/jonnpr.3710 Mexico Mexico Mexico Mexico Mexico 00 00 2020 00 00 2020 5 6 631 643

Organización Panamericana de la Salud de la población 2012 31 OPS 1964 1978 2020 5 5 5 468-72 1995 1-7 2011 40-3 2012 13 1 1 34-42 2013 6 10 10 51-8 2010 2015 33 33 155 2009 1 2012 49 2 2 72-7 2012 28 2 2