1815-5936 1815-5936 S1815-59362018000300261 Cuba Cuba Cuba 00 12 2018 00 12 2018 39 3 261 272

1 2012 21 21 312-8 2 2012 3 2012 15 2 2 120-7 4 2011 5 2013 48 4 4 6 2011 7 2014 8 2011 9 2011 10 2014 11 2008 12 2013 13 2014 14 2014 15 2013 16 2010