1405-3195 1405-3195 S1405-31952016000300287 Mexico 00 05 2016 00 05 2016 50 3 287 296

1997 49 13-28 1996 54 546-54 2006 104 1-12 2008 20 368-75 2009 110 56-70 1998 76 1929-36 2006 96 297-311 2013 4 507-14 2000 53 1729-59 2012 95 3092-9 2004 80 47-57 2000 60-61 605-14 2007 102 172-9 2008 43 612-22 2009 92 5436-46 2002 2006 65 1678-89 1993 33 1-25 1999 34 269-74 2001 121 175-80 2006 171 500-3 2013 25 818-24 National Research Council 2001 7 1995 44 915-23 2002 85 2831-42 2001 79 2881-94 2004 84 27-39 2005 64 1212-24 2009 283 2009 277 2009 1 ^s92 ^s92 92 443 2003 60 795-807 2011 123 127-38