1561-3194 1561-3194 S1561-31942019000200250 Cuba Cuba 00 04 2019 00 04 2019 23 2 250 258

1 2013 1 3 3 2 2017 36 1 1 3 2014 36 2 2 4 2014 5 2017 2 195-8 6 2015 7 2015 40 9 9 8 2008 12 2 2 9 2018 20 1 1 10 2016 22 2 2