1409-4568 1409-4568 S1409-45682018000200116 10.15517/revenf.v0i35.33666 Mexico Mexico Portugal Brazil 00 12 2018 00 12 2018 35 116 127

2017 102-15 2014 16 1 1 199-203 Instituto de Salud del Estado de México 2013 2010 48 3 3 237-42 2016 28 2 2 407-9 2002 2016 13 13 109-27 2012 2017 21 1 1 1-8 2016 28 3 3 494-504 Secretaría de Salud 2012 2015 17 1 1 80-96 2018 26 26 53-62 2018 71 1 1 3-10 2009 2 4 4 653-78 2015 14 3 3 340-50 2015 10 1 1 134-47 2016 254-5 2016 12 1 1 2014 9 1 1 146-55 2018 71 2 2 372-8 2015 15 2 2 96-107