2007-7459 2007-7459 S2007-74592017000200111 10.19136/hs.v16i2.1450 México México Mexico 00 08 2017 00 08 2017 16 2 111 119

2009 11 1 1 2012 49 4 4 2009 81-8 2000 37 2 2 84-8 Secretaria de Salud 2012 2008 6 112-37 2015 19 3 3 2006 5 24 UJAT 2010 140 - 151 2014 2012 87-12