0012-7353 0012-7353 S0012-73532018000400221 10.15446/dyna.v85n207.67980 Colombia México Colombia 00 12 2018 00 12 2018 85 207 221 226

[1] 2017 311 35-45 [2] 2016 308 203-12 [3] 2015 284 281-9 [4] 2015 284 327-33 [5] 1992 54-55 2 2 435-41 [6] 2009 517 19 19 5666-75 [7] 2006 54 18 18 4731-43 [8] 2009 39 297-324 [9] 2011 65 15-16 15-16 2381-3 [10] 2016 296 185-91 [11] 2011 206 4 4 686-95 [12] 2003 163-164 4 4 552-60 [13] 2008 516 16 16 5404-8 [14] 2016 21 2 2 461-9 [15] 2000 127 24-37 [16] 2008 203 766-70 [17] 2016 6 140-4 [18] 2015 282 24-35 [19] 2003 22 11 11 1499-505 [20] 1999 352 1-2 1-2 107-13 [21] 2008 21 2 2 12-7 [22] 2006 110 21 21 10430-5 [23] 1989 4 1 1 180-4 [24] 1992 219 1-2 1-2 30-6 [25] 2009 31 12 12 1759-63 [26] [27] 2012 32 4 4 887-95 [28] 2013 76 35-41 [29] 2011 [30] 2004 177-178 638-44 [31] 2008 4th