1561-3194 1561-3194 S1561-31942020000200281 Cuba Cuba 00 04 2020 00 04 2020 24 2 281 286

1 2018 61 1 1 2 2008 83 2 2 3 2008 83 5 5 4 2016 47 5 5 5 2013 1058-69 6 2014 59 1 1 7 2014 8 8 2014 252 6 6 9 2016 23 2 2 10 2017 37 9 9 11 2017 238 4 4 12 2015 35 4 4 13 2012 A ug 71 4 4