2007-1132 2007-1132 S2007-11322020000400120 10.29298/rmcf.v11i60.711 Mexico 00 08 2020 00 08 2020 11 60 120 143

2000 6 2 2 151-7 2005 7 1 1 5-10 1972 18 2 2 109-20 2009 2005 11 1 1 29-47 2004 6 5a 6 2016 7 37 37 7-20 2009 259 2011 26 6 6 543-54 2015 61 12 12 535-43 2014 20 2 2 167-76 2008 2002 4 4 190 1983 2005 11 2 2 117-23 1983 164 2003 9 1 1 45-56 1991 37 1 1 368-9 1995 41 3 3 629-38 2015 6 29 29 108-25 2018 9 49 49 28-59 2001 472 1999 5 2 2 19-34 2011 262 12 12 2162-75 Statistical Analysis System (SAS) 2002 2000 34 6 6 747-58 2001 10 1 1 1-73