0864-0289 0864-0289 S0864-02892019000300001 Cuba 00 09 2019 00 09 2019 35 3 1 2012 31 6 6 2 2016 374 2419-29 3 2018 59 7 7 1167-9 4 2019 46 1 1 65-79 5 2014 32 3048-58 6 2016 34 17 17 2020-7