2007-1132 2007-1132 S2007-11322016000400025 Mexico Mexico México 00 08 2016 00 08 2016 7 36 25 36

1998 1990 2007 2002 55 58-62 2000 2015 73 28-39 2004 8 2 2 9-12 2011 5 2 2 62-74 2015 80 131-50 2009 5 2 2 132-3 2014 60 3 3 15- 120 2006 2003 10 5 5 437-43 1983 1995 17 325-30 2002 24 67-79 2009 Statistical Analysis Systems (SAS) 2011 2003 1990 315-22