1028-9933 1028-9933 S1028-99332018000200362 Cuba Cuba 00 04 2018 00 04 2018 97 2 362 368

1 2010 73 4 4 367-9 2 2017 92 1 1 40-3 3 2011 30 939-44 4 2009 5 2012 119 2450-7 6 2013 4 134-7 7 2013 39 1616-7 8 2012 23 344-54 9 2011 118 492-7 10 2014 25 71-80