1815-7696 1815-7696 S1815-76962019000400512 Cuba Cuba 00 12 2019 00 12 2019 17 4 512 523

2013 18 180 180 2015 2016 14 4 4 352-61 2018 16 3 3 365-80 2016 14 2 2 2012 2002 2011 16 163 163 2016 7 2 2 5-14 2014 3 4 4 10-20 2018 22 3 3 523-33 2009 La Habana, Cuba 2018 16 3 3 426-41 2016 20 6 6 2017