1815-7696 1815-7696 S1815-76962018000300381 Cuba Cuba 00 09 2018 00 09 2018 16 3 381 395

1991 2014 2004 2009 14 1 1 109-50 2000 2014 2013 2015 2016 2017 2002 27 27 1989 2015 1991 1989