0121-7488 0121-7488 S0121-74882018000100089 Colombia Colombia 00 06 2018 00 06 2018 9 1 89 96

[1] 2000 32 3 3 199-208 [2] 2005 28 2 2 125-39 [3] 2015 31 5 5 741-60 [4] 2015 21 4 4 221-7 [5] 2015 2015 11 [6] 2016 2 2 2 210-7 [7] 2006 25 769-81 [8] 2016 28 2 2 879-84