2077-2874 2077-2874 S2077-28742021000100252 Cuba Cuba 00 03 2021 00 03 2021 13 1 252 274

1 1974 2 2016 3 2001 2 3 3 12-8 4 2016 41 11 11 5 2019 23 1 1 6 2016 16 3 3 7 2015 19 5 5 8 2014 3 9 2018 10 3 3 10 2019 11 2 2 11 2018 16 ^s2 ^s2 2 716-9 12 2018 16 ^s2 ^s2 2 719-23 13 Real Academia Española 2009 14 2010 15 2015 7 2 2 16 2019 26 1 1 17 2015 215 7 7 18 2002 3 7 7 12-6 19 Padilla de Juan A 2013 20 2017 67