1990-8644 1990-8644 S1990-86442018000400063 Cuba 00 09 2018 00 09 2018 14 64 63 71

1999 2015 19 2 2 2010 2 20 20 2010 2013 7 89-102 2012 12 1 1 2013 4 23 23 2011 33 2009 1983 1990 2007 2016 7 18 18 83-98