1029-3043 1029-3043 S1029-30432021000400740 Cuba Cuba 00 12 2021 00 12 2021 25 4 740 748

1 2016 21-35 2 2019 3 2020 24 1 1 4 2007 5 2019 17 6 6 6 2019 17 2 2 7 2020 8 2018 18 2 2