0034-7493 0034-7493 S0034-74932020000100011 Cuba 00 03 2020 00 03 2020 59 1

1 2017 2 2014 50 1-34 3 2012 315 97-111 4 2013 29 126e-38 5 1984 27 279-82 6 2012 14 e510-20 7 2005 26 1049-57