0864-0319 0864-0319 S0864-03192021000300001 Cuba Cuba 00 09 2021 00 09 2021 37 3 1 2015 31 2 2 2 2020 36 2 2 3 2019 51 2 2 91-8 4 2016 88 2 2 1-10 5 2016 32 2 2 170-7