1561-3194 1561-3194 S1561-31942021000300006 Cuba Cuba 00 06 2021 00 06 2021 25 3

1 2016 3 1 1 2 2019 162 2 2 3 2020 31 4 4 4 2020 11 1 1 5 2019 36 3 3 734-42 6 2016 20 6 6 41-7 7 2016 20 5 5 577-83 8 2018 89 4 4 9 2019 18 36 36 10 2016 11 2016 12 2016 13 2019