1405-7743 1405-7743 S1405-77432016000100109 Colombia Colombia Colombia EU. 00 03 2016 00 03 2016 17 1 109 118

1997 19 359-265 1997 12 221-31 1999 6 283-97 2001 27 105-14 2004 27 187-98 2008 108 152-61 2009 21 127-36 2006 88 220-31 1991 2003 2003 San Juan, Argentina 25-9 1980 15-7 2009 3 1 1 8-11 2008 41 99-104 2001 20 531-3 2009 49 1 1 36-4 1996 13 15-20 2006 4 2 2 60-71 2008 87 2482-92 2010 77 163 163 55-63 2010 53 30-41 1990 17 179-86 2010 49 239-46 2001 31 7 7 993-1001 1987 35 38-42 2011 31 1 1 35-43 2004 52 1-13