2218-3620 2218-3620 S2218-36202020000300083 Ecuador 00 06 2020 00 06 2020 12 3 83 89

1971 1965 2013 1962 2017 2013 1 1 1 16-40 1977 82 5 5 929-64 1959 19 2 2 78-88 2014 1998 2009 1977 2013 1973 1979 1934 1984 1947 2009