0012-7353 0012-7353 S0012-73532019000100060 10.15446/dyna.v86n208.62957 Colombia Colombia 00 03 2019 00 03 2019 86 208 60 68

[1] 1994 [2] 2004 19 3 3 1387-401 [3] 2008 19 5 5 97-110 [4] 1993 8 3 3 1159-71 [5] 1992 7 1 1 416-23 [6] 1997 12 1 1 173-80 [7] 1997 12 1 1 273-81 [8] 1998 13 4 4 1285-90 [9] 2004 969-74 [10] 2004 447-53 [11] 2005 20 3 3 1320-9 [12] 2006 1299-305 [13] 2010 32 10 10 1091-8 [14] 2014 1-6 [15] 2014 63 769-78 [16] 2012 43 1 1 150-5 [17] University of Washington [18] 2015 82 82 60-7 [19] 2015 18 35 35 105-16 [20] 2013 18 626-45 [21] 2008 38 3 3 397-415 [22] 2008 11-36 [23] 2002 6 2 2 182-97