0120-2448 0120-2448 S0120-24482020000100048 10.36104/amc.2020.1420 Colombia Colombia 00 03 2020 00 03 2020 45 1 48 48 1 2017 195 4 4 e25-6 2 2015 6 1439-60 3 27 2 2 181-1 19 4 2017 37 52-72 5 2018 30 210 6 2017 41 5 5 772-8