2077-2874 2077-2874 S2077-28742020000200223 Cuba 00 06 2020 00 06 2020 12 2 223 229

1 2019 2 2001 3 2014 69 3 3 4 2015 16 3 3 5 2016 42 2 2 6 2007 7 2011 8 2017 13 3 3