1561-3194 1561-3194 S1561-31942020000100015 Cuba Cuba 00 02 2020 00 02 2020 24 1 15 20

1 2015 28 1 1 2 2018 32 2 2 3 2016 88 1 1 55-66 4 2015 5 2014 11 1 1 6 2018 22 2 2 7 2018 22 6 6 8 2007 23 3 3 9 2008 47 2 2 10 2000 53 6 6 11 2013 38 11 11