1996-2452 1996-2452 S1996-24522019000300451 Ecuador Ecuador Ecuador 00 12 2019 00 12 2019 14 3 451 462

(201 2 2008 43 157 157 30-40 2007 20 2 2 167-77 2015 8 2 2 79-85 2013 2 2 2 51-4 2006 2018 2018 2019 20 1 1 3 2018 18 2 2 152-68 2015 8 2 2 79-85