1684-1824 1684-1824 S1684-18242021000501482 Cuba Cuba 00 10 2021 00 10 2021 43 5 1482 1486 1 2020 42 3 3 2 2021 14 3 2019 59 2465-76 4 2013 37 6 6 1020-3 5 2020 115 6 6 485-7 6 2020 13