0120-0283 0120-0283 S0120-02832019000200089 10.18273/revbol.v41n2-2019005 Cuba Cuba 00 08 2019 00 08 2019 41 2 89 102

1974 39 1 1 39-48 2007 25 3 3 307-20 2014 2013 14 1 1 1-12 1997 326-35 1988 4 2000 1995 IGP 2014 27 2007 La Habana, Cuba 2005 53 967-72 2000 1985 1997 2011 a 2011 b 2014 32 1 1 123-40 2015 1993