1561-3194 1561-3194 S1561-31942020000100152 Cuba 00 02 2020 00 02 2020 24 1 152 161

1 2001 3 21 2 2013 13 1 1 3 2014 6 1 1 4 2009 23 3 3 96-104 5 2017 21 2 2 6 2005 7 2015 19 3 3 8 2014 8 2 2 9 2018 22 2 2 10 2018 11 2018 22 4 4