1029-3019 1029-3019 S1029-30192019000400740 Cuba 00 08 2019 00 08 2019 23 4 740 747

1 2014 1 283-301 2 2014 11 ed 3 2016 76 1 1 34-52 4 2019 2 5 2016 76 1 1 67-71 6 2016 76 2 2 133-42 7 2015 8 4 4 271-6 8 2017 37 7 7 3975-9 9 2016 22 1 1 11-3 10 2015 83 3 3 211-6