1561-3194 1561-3194 S1561-31942020000600022 Cuba 00 12 2020 00 12 2020 24 6

1 2019 155 1 1 101-7 2 2015 52 3 3 3 2017 27 27 4 2017 74 4 4 189-93 5 2018 26 3 3 175-81 6 2000 4ª ed 57-9 7 2017 91 110 110 8 2019 20 1 1 4-9 9 2019 12 3 3 127-30 10 2016