1817-5996 1817-5996 S1817-59962023000200014 Ecuador Ecuador Ecuador Ecuador Ecuador Cuba 00 06 2023 00 06 2023 25 2

1 2020 80 4 4 518-21 2 2020 18 2 2 165-9 3 2020 27 2 2 80-7 4 2021 23 2 2 5 2018 20 3 3 6 2021 8 4 4 1-14 7 2020 81 3 3 75-6