1684-1824 1684-1824 S1684-18242020000201771 Cuba 00 04 2020 00 04 2020 42 2 1771 1773 1 2013 25 1 1 11-6 2 2013 29 4 4 419-25 3 2014 30 3 3 4 2009 46 4 4 5 2013