0034-7531 0034-7531 S0034-75312021000300016 Cuba Cuba Cuba Cuba 00 09 2021 00 09 2021 93 3

1 2016 1-3 2 2013 54 1 1 1-4 3 2016 9 99-101 4 2019 23 4 4 5 2014 47 2 2 37-43 6 2018 34 3 3 819-23 7 2013 19 12 12 8 2013 37 3 3 212-5 9 2015 11 1 1 7-12 10 2017 17 2 2 64-9