1029-3019 1029-3019 S1029-30192021000100170 Cuba 00 02 2021 00 02 2021 25 1 170 177

1 2017 21 1 1 2 2016 14 1 1 3 2014 14 3 3 615-28 4 2019 23 2 2 5 2014 29 ^sSuppl ^sSuppl Suppl 287-90 6 2013 50 4 4 351-63 7 2014 8 50-5 50-5 8 2018 40 4 4 9 2018 22 8 8