2218-3620 2218-3620 S2218-36202019000500217 Ecuador Ecuador 00 10 2019 00 10 2019 11 5 217 222

1995 1995 2016 126-34 2013 53 4 4 1999 1986 2013 15 1 1 1-15 2008 27 27 177-92 1961 2017 9-37 1968