2218-3620 2218-3620 S2218-36202020000300060 Ecuador 00 06 2020 00 06 2020 12 3 60 66

1989 2001 1949 2014 2015 2010 1963 2002 389-461 2007 1979 1978 2014 179 45 45 9-33 2013 10 30 30 3-19 1960 1980 48 1-48 2012 1999 2010