1028-4818 1028-4818 S1028-48182019000601403 Cuba Cuba 00 12 2019 00 12 2019 23 6 1403 1415

1 2015 2 2016 3 2018 10 4 2019 32 1 1 5 2015 10 35 35 1-9 6 2018 7 2017 6 ^s3 ^s3 3 99-103 8 2018 361 k2387 9 2016 22 7 7 773-9 10 2018 31 12 12 1770-86 11 2019