0185-3880 0185-3880 S0185-38802017000400203 10.7773/cm.v43i4.2785 Mexico USA Mexico 00 00 2017 00 00 2017 43 4 203 215

1983 88 C7 C7 4459-66 1982 29 3 3 307-38 2008 113 C2 C2 C02001 2009 83 3 3 349-59 1997 638 2003 377-86 2006 33 14 14 L14612 2014 78 1-15 2005 32 15 15 L15602 2000 50 4 4 531-48 1992 82 1-12 1997 54 2 2 161-7 1982 66 1 1 27-35 1984 5 317-22 1997 33 5 5 800-10 1980 19 3 3 239-58 1972 19 12 12 833-46 2003 48 4 4 1509-20 2006 38 395-425 2001 44 3 3 221-9 1987 92 C5 C5 5404-16 1991 1992 272 1990 200 2012 117 C10 C10 C10021 2003 42 3-4 3-4 145-52 2012 42 10-9 2005 302 177-85 1997 102 C8 C8 18641-60 2003 48 4 4 1394-407 1996 41 7 7 1490-501 2001 106 C9 C9 19715-29 2011 56 2 2 611-26 2007 151 5 5 1941-9 2007 52 5 5 17481756 2011 406 12 12 108-15 2005 110 C3 C3 C03024 2012 2 4 4 141-9 2011 54 5 5 441-6 1984 89 C4 C4 6415-26 2011 116 C4 C4 C04004 2010 115 C10 C10 C10014 2001 106 C7 C7 14069-81 2009 36 23 23 L23603 2007 52 5 5 1735-47 1977 35 321-37 1984 42 3 3 591-604 1986 27 277-85