1029-3019 1029-3019 S1029-30192020000400744 Cuba 00 08 2020 00 08 2020 24 4 744 755

1 2001 2 2013 35 140 140 3 2018 4 2007 14 44 44 5 2006 6 1996 7 2010 4 2 2 8 2019 23 3 3 9 2014 24 24 71-84 10 1995 11 2011 12 2004 9 1 1 13 2011