1028-9933 1028-9933 S1028-99332020000500487 Cuba 00 10 2020 00 10 2020 99 5 487 493

1 2016 39 2 2 2 2017 32 3 3 3 2016 69 4 4 4 2016 41 8 8 5 2016 56 2 2 6 2016 81 4 4 7 2015 61 8 1991 15 12 12 1146-56