1608-8921 1608-8921 S1608-89212020000200084 Cuba 00 08 2020 00 08 2020 22 2 84 100

1 2011 2011 2 2 2 1993 75 1 1 22-8 3 2016 42 2 2 459-75 4 2013 13 5 5 5 2012 0 40 40 6 2005 7 2007 12 4 4 8 2001 12 9 2010 2 2 2 1-8 10 11 1986 10 2 2 179-96