1990-8644 1990-8644 S1990-86442020000300298 Colombia Cuba 00 06 2020 00 06 2020 16 74 298 305

2002 2013 5 1 1 1-10 2001 27 51-76 2005 6 11 11 37-80 1990 295-384 1983 2003 6 3 3 221-71 2014 1994 99-202 1998 1981 12 151-69 2006 21 21 35-48