0026-1742 0026-1742 S0026-17422017000200011 Mexico Mexico Mexico 00 04 2017 00 04 2017 60 2 11 16

1 1992 2 2007 14 225-7 3 2002 55 7 7 768-70 4 2013 3 2 5 2014 32 37e38 6 2013 224 el-3 7 2004 38 38 8 2010 25 e9-el2 9 2012 5 8-18 10 2009 16 162-7