0034-7493 0034-7493 S0034-74932018000300011 Cuba 00 09 2018 00 09 2018 57 3

1 2015 14 4 4 285-9 2 2013 39 1 1 61-5 3 2015 41 3 3 321-8 4 2016 42 1 1 65-72 5 2013 39 4 4 419-22 6 2013 12 3 3 187-91 7 2016 20 2 2 426-33 8 2010 16 3 3 101-4 9 2014 40 4 4 413-20