1029-3019 1029-3019 S1029-30192021000300746 Cuba Cuba 00 06 2021 00 06 2021 25 3 746 761

1 1975 2 2013 3 2019 10 1 1 4 2019 5 2019 6 2017 36-7 7 2001 8 2017 72 9 2018 23 10 2017 29 11 2017 37 12 2010 13 2020 21 14 2017