1729-8091 1729-8091 S1729-80912021000400066 Cuba 00 12 2021 00 12 2021 21 77 66 79

2017 1 37 37 139-50 2017 2004 23-38 2005 2020 18 1 1 2000 71 2 2 2012 8 33 33 10-5 2017 88 88 855-6 2016 1 33 33 110-20 1987