1990-8644 1990-8644 S1990-86442022000600159 Cuba 00 12 2022 00 12 2022 18 89 159 168

2019 2021 9 1 1 9 2016 9 1 1 111-21 2019 17 1 1 1-3 2021 17 1 1 2019 147 3 3 372-7 2017 20 49 49 23-40 2020 16 75 75 266-71 2020 18 4 4 746-58 2017 2017 13 60 60 206-9 2015 55 55 33-9 2018 2020 22 2 2 84-100 2021 19 4 4 1185-202 2019 48 2 2 374-88 2019 4 1 1 99-108 2021 320-9 2017 19 2 2 2000 Vol. XIII