0121-7488 0121-7488 S0121-74882017000100009 Colombia Colombia Colombia Colombia 00 06 2017 00 06 2017 8 1 9 19

[1] 1952 149 18 18 1624-8 [2] 1976 [3] 1994 1 2 2 145-58 [4] 1971 8 3 3 323-33 [5] 1987 2 7 7 119-32 [6] 1990 51 11 11 13-9 [7] 1967 11 2 2 203-10 [8] 1997 [9] 2000 [10] 1992 [11] 2012 [12] 1988 [13] 2008 37 8 8 899-919 [14] 2007 72 2 2 197-213 [15] 2013 21 1 1 173-84 [16] 2008 7 1 1 18-38 [17] 2008