1561-3194 1561-3194 S1561-31942021000100018 Cuba 00 02 2021 00 02 2021 25 1

1 2019 87 S1 S1 58-61 2 2019 34 269-76 3 2016 20 3 3 4 2018 57 268 268 113-6 5 2018 21 5 5 6 2017 56 3 3 7 2016 55 1 1