0864-0289 0864-0289 S0864-02892019000400009 Cuba 00 12 2019 00 12 2019 35 4 1 2018 6 12 12 1-9 2 2006 1-39 3 2006 277-301 4 2018 38 5 5 5 2018 18 11 11 743-8 6 2018 103 10 10 7 2017 33 1 1 1-8