1561-3194 1561-3194 S1561-31942019000600941 Cuba 00 12 2019 00 12 2019 23 6 941 946

1 1900 3 641-72 2 2015 136 1 1 3 2017 34 3 3 4. 2018 2da 554-6 5 2016 25 1 1 6 2017 173 4 4 7 2016 8 332 332 8 1985 202 5 5 9 2017 5 4 4 10 2016 11 2016 2 3 3 12 2018 3 7 7 13 1997 27 8 8 14 2016