1405-0099 1405-0099 S1405-00992019000400300 México México México 00 12 2019 00 12 2019 41 4 300 306

1 2016 153 183-92 2 2011 89 237-42 3 2003 27 1329-32 4 1993 36 186-90 5 2000 43 414-8 6 2007 50 489-97 7 2004 96 32-5 8 2014 24 13-7 9 2002 19 223-9 10 2003 95 539-43 11 2009 7 7-9 12 2012 38 463-6 13 1989 27 105-7 14 2008 24 5-8 15 2007 13 921-4 16 2004 19 134-42 17 2004 19 258-63 18 2005 140 278-discussion 284 19 2007 246 91-6 20 2014 151 431-4 21 1997 19 67-9 22 1993 58 360 23 1997 32 117-78 24 1997 7 172-3 25 2009 7 7-9