1729-519X 1729-519X S1729-519X2019000600983 Colombia 00 12 2019 00 12 2019 18 6 983 985 1 2019 18 2 2 194-216 2 2011 64 8 8 688-96 3 2009 6 7 7 1-6 4 2016 10 1 1 30-6 5 2018 44 3 3 422-8 6 2018 49 4 4 251-3 7 2015 4 1-9 8 2009 339 b2535 9 2018 95 7-18