1028-9933 1028-9933 S1028-99332018000400755 Cuba Cuba Cuba Cuba Cuba 00 12 2018 00 12 2018 97 4 755 765

1 2015 2 2015 3 2012 92 65-77 4 2013 5 2016 6 2015 53 6 6 686-90 7 2007 11 2 2 8 2010 9 2010 10 2016 11 2015 12 2016 13 2015 14 2013 17 12 12 9131-43 15 2012 11 25 25 8-17