1028-4818 1028-4818 S1028-48182019000300401 Cuba Cuba 00 06 2019 00 06 2019 23 3 401 405 1 2018 22 5 5 995-1004 2 2016 7 2 2 49-60 3 2018 22 8 8 804-15 4 2013 57 118-27 5 2018 57 268 268 75-7 6 2008 13 178-94