0121-7488 0121-7488 S0121-74882018000200057 Colombia 00 12 2018 00 12 2018 9 2 57 67

[1] 2004 261 4 4 526-32 [2] 2001 80 1 1 383-7 [3] 1994 4 5 5 89-90 [4] 2004 74 3-4 3-4 689-92 [5] 2004 7 1-2 1-2 77-81 [6] 2003 340-342 245-9 [7] 2000 76 15 15 2011-3 [8] 2003 15 5 5 353-89 [9] 2006 182 [10] 2016 90 839-44 [11] 2014 8 291-6 [12] 2017 119 April 2017 565-70 [13] 2018 [14] 1983 [15] 1962 [16] 1972 177 [17] 2010 96 [18] [19] 1970 8 187 187