0253-9276 0253-9276 S0253-92762020000100187 Cuba 00 06 2020 00 06 2020 289 187 206

2013 1989 1944 IV 1956 2001 101-34 2008 2008 39-44 2001 19-31 2015 1985 2000 1997 231-63 1991 2000 2013 237-57