1561-3194 1561-3194 S1561-31942020000400012 Cuba Cuba Cuba 00 08 2020 00 08 2020 24 4

1 2018 22 4 4 2 2017 30 4 4 3 2018 4 2018 5 2013 13 C C 6 2016 16 ^s1 ^s1 1 7 2013 13 C C 8 2018 25 ^s1 ^s1 1 9 2016 16 1 1 10 2018 40 3 3 11 2012 12 2 2 12 2016