0012-7353 0012-7353 S0012-73532020000200069 10.15446/dyna.v87n213.83208 Colombia 00 06 2020 00 06 2020 87 213 69 74

[1] 2017 142 4 4 4178-94 [2] 2001 23 6 6 441-54 [3] 2013 37 1 1 319-27 [4] 2013 5 1 1 223-41 [5] 2015 108 94-101 [6] 2012 28 1 1 276-81 [7] 2011 [8] 2019 210 256-68 [9] 2018 106 40-8 [10] 2012 42 12 12 1579-89 [11] 2018 114 49-56 [12] 2011 41 1 1 113-22 [13] 2010 25 3 3 329-52 [14] 2017 139 99-107 [15] 2016 132-133 552-60 [16] 2019 211 814-23 [17] 2015 95 414-20 [18] 2019 52 5 5 [19] 1998 46 6 6 694-704