1029-3043 1029-3043 S1029-30432021000200315 Cuba Cuba 00 06 2021 00 06 2021 25 2 315 323

1 2020 395 10223 10223 2 2020 579 3 2020 323 20 20 4 2020 44 6 6 5 2020 12 6 2020 71 9 9 7 2020 2 2 2 8 2020 41 9 9 9 2020 49 3 3 10 2020 66 6 6