2007-5057 2007-5057 S2007-50572019000300005 10.22201/facmed.20075057e.2019.31.19199 Mexico 00 09 2019 00 09 2019 8 31 5 8 1 2011 31 6 6 828-38 2 3 2008 4 2018 8 71-7 5 2017 26 3 3 385-92 6 2013 4 451-505 7 2014 28 4-25 8 2012 9 2010 109 4 4 159-65 10 1989 23 24-9