0012-7353 0012-7353 S0012-73532018000200105 10.15446/dyna.v85n205.68458 Colombia Colombia Colombia 00 06 2018 00 06 2018 85 205 105 110

[1] 2017 84 201 201 138-44 [2] 2 2000 1019-24 [3] 2010 1-5 [4] 2013 28 2 2 1024-31 [5] 2013 28 2 2 1242-4 [6] 2 2000 1019-24 [7] 2014 29 5 5 2231-8 [8] 2013 [9] Research Group Gralta 2012 [10] 2004 1 2004 207-10 [11] 2010 2010 6923-6 [12] 2008 1 38 38 381-6 [13] 2003 18 2 2 648-56 [14] 1999 Third 20-41 [15] 2013 61 1 1 [16] 1996 11 [17] 2009 24 3 3 1719-27 [18] 2013 28 3 3 1709-14 [19] 2002 1 317-21 [20] 2007 XIII 37 37 133-8 [21] 2012 79 173 173 66-74 [22] 2016