0185-3929 0185-3929 S0185-39292018000200071 10.24901/rehs.v39i154.383 Mexico Mexico 00 00 2018 00 00 2018 39 154 71 136

1991 2008 27-57 2004 239-68 2003 1 1 1-30 2005 123-59 2006 50 50 1-30 2001 31-44 1988 2004 66 66 279-300 2008 23-44 1996 1987 1974 1999 86 2 2 518-36 1999 39 3 3 359-76 2011 21 42 42 165-75 1987 2004 13-39 2002 2003 octubre 15-17 Bogotá, Colombia 1989 151 151 22-9 2006 2009 18 18 145-67 2007 1973 2009 71 4 4 607-45 1996 1973 1987 1994 1994 2 2 29-39 2004 109-46 2009 1964 2008 2011 2011 275-98 2015 2018 9 34 34 9-36 1993 9 4 4 411-27 2013 1976 31-61 2001 17-29 2004 17-45 1986 1998 1998 2011 2005 41 41 7-41 2008 1995 1980 1987 1999 2004