1815-7696 1815-7696 S1815-76962019000400481 Cuba 00 12 2019 00 12 2019 17 4 481 496

2013 2016 20 6 6 729-37 2017 2018 16 3 3 2014 7 1 1 20-30 1993 2016 2010 2010 2010 2012 2014 11 1 1 2018 22 3 3 1978 1989 5 2015 86 2 2