1028-9933 1028-9933 S1028-99332019000500619 Cuba 00 10 2019 00 10 2019 98 5 619 629

1 2015 39 1 1 26-33 2 2017 3 2017 19 3 3 78-187 4 2017 5 2018 8 1 1 6 2018 19 3 3 867-73 7 2016 19 3 3 8 2017 7 1 1 29-38 9 2018 22 1 1 10 2019 41 1 1 1-9 11 2017 31 12 2018 97 2 2 261-9 13 2015 6 Nov 2015 La Habana 14 2017 20 5 5 6-22 15 2013 7 2 2 267-78