2218-3620 2218-3620 S2218-36202020000400021 Cuba Cuba 00 08 2020 00 08 2020 12 4 21 31

2014 18 3 3 2017 11 2 2 18-35 2014 2015 2014 2014 6 2 2 5-12 2015 2014 44 33-9 2014 2016 6 1 1 63-91 2015