2007-0934 2007-0934 S2007-09342015000801833 Mexico 00 12 2015 00 12 2015 6 8 1833 1844

2000 75 175-80 2000 44 579-90 2000 73 95-8 2009 17 127-39 2011 17 105-14 2009 27 1 1 41-8 1993 2009 25 59-67 2006 71 270-6 2012 3 1203-16 2009 843 337-41 2003 51 4442-9 2002 575-9 2005 70 1 1 11-9 2007 55 21 21 8596-603 2011 128 1044-50 2007 13 3 3 123-50 2005 91 131-7 1997 450 63-9 2014 20 187-200 2013 82 55-61 2005 65 26-34 2004 18 29-36 2004 39 2 2 223-9 2001 34 03-21 StatisticalAnalysis System (SAS) 2002 1984 Lunteren, Holanda 633-49 2009 16 571-80 2013 8 665-9 2011 17 69-74 2006 56 21-42 2006 71 117-24