2077-2874 2077-2874 S2077-28742021000400303 Cuba 00 12 2021 00 12 2021 13 4 303 309

1 2018 2 2019 19 3 3 3 2019 11 3 3 4 2012 5 2019 25 3 3 6 2017 5 5 74-8 7 2019 150 8 2020 12 1 1