1665-1324 1665-1324 S1665-13242005000100107 Chile 00 06 2005 00 06 2005 7 13 107 114 2004 12 12 149-54 1997 1999 7 3 3 129-35 1965 1984 1999 2002 1997 2004 12 12 155-62 2002 20 20 159-73 2000 8 3 3 316-38