2007-5057 2007-5057 S2007-50572017000400248 10.1016/j.riem.2017.01.002 Mexico Mexico Mexico 00 12 2017 00 12 2017 6 24 248 254

2005 39 309-17 2007 356 387-96 2005 34 478-82 2001 357 945-9 2003 326 385-7 1975 1 447-51 1979 13 41-54 2012 79 681-5 2001 35 841-6 1992 222 735-42 1992 67 487-94 1993 1573-6 2014 150 8-17 1990 2 58-76 2013 35 503-14 2013 35 1447-63 2013 35 1447-63 1988 20 508-21 1991 266 1390-6 1990 12 259-64 2002 58 849-52 1975 28 563-75 2007 68 597-9 2012 166-83 2009 77 32-7 1993 68 443-53 2007 47 897-9