2550-6722 2550-6722 S2550-67222017000200041 Cuba Cuba Cuba 00 12 2017 00 12 2017 3 41 58

2011 2008 4 2 2 225-43 1986 2 2 469-94 2001 18 1 1 34-45 1997 13 34 34 2005 2001 2013 1999