1990-8644 1990-8644 S1990-86442020000400322 Cuba 00 08 2020 00 08 2020 16 75 322 333

2006 2010 2004 2015 2002 29-36 2011 2019 15 1 1 60-7 2006 2019 15 68 68 135-41 2012 2011 8-21 2017 2018 2014 4 2002 2008 2012 1989 1978