2007-5057 2007-5057 S2007-50572018000200010 10.22201/facmed.2007865x.2018.26.02 Mexico 00 06 2018 00 06 2018 7 26 10 12 1. 2016 316 21 21 2214-36 2. 2012 2 5 5 1-8 3. 2006 81 374-84 4. 2005 11 1 1 87-100 5. 2012 17 2 2 188-95 6. 2014 66 2 2 232-48 7. 2007 10 61-82