2218-3620 2218-3620 S2218-36202019000400214 Colombia 00 12 2019 00 12 2019 11 4 214 219

1994 1979 1997 1984 1988 1990 1994 1948 2004 2003 4 1 1 107-22 2008 4 7 7 5-22 1996 2005 2011 2001 República Dominicana 2007 2002 1917 2010