2227-1899 2227-1899 S2227-18992019000100116 Cuba 00 03 2019 00 03 2019 13 1 116 126

2014 2018 71 90-107 2002 8 47 47 2016 436 2016 9 1 1 87-102. 2018 2 1 1 1-14 2017 17 1 1