1028-4818 1028-4818 S1028-48182020000100140 Cuba Cuba 00 02 2020 00 02 2020 24 1 140 153

1 2016 2 2014 44 40-3 3 2015 82 4 4 235-41 4 2011 75 145-6 5 2017 34 1 1 132-8 6 2014 33 4 4 e92-8 7 2017 76 4 4 722-9 8 2018 16 3 3 469-74 9 2017