1029-3019 1029-3019 S1029-30192019000400644 Cuba Cuba 00 08 2019 00 08 2019 23 4 644 653

1 2014 2 2017 3 1 1 3 2015 15 3 3 392-400 4 2013 27 2 2 239-48 5 2017 31 2 2 6 2016 4 1 1 7 2017 31 4 4 8 2015 9 2015 29 2 2 10 2017 31 3 3 11 2016 12 2014 13 3 3