0864-0289 0864-0289 S0864-02892021000500003 Cuba Cuba 00 00 2021 00 00 2021 37 1 2020 11 2 2021 184 4 4 861-80 3 2020 20 6 6 363-74 4 2020 11 588409 5 2020 11 3410 6 2021 147 1 1 81-91 7 2020 8 2021 10 1 1 82 9 2020 12 11 11 1277