1817-5996
1817-5996
S1817-59962019000400005
Ecuador
Ecuador
Ecuador
00
00
2019
00
00
2019
21
[
2014
17
1
1
]
[
2017
20
1
1
49-59
]
[
2017
27
1
1
51-8
]
[
2015
17
2
2
]
[
2018
29
1
1
19-25
]
[
2019
0
0
0
]
[
2017
17
2
2
150-61
]
[
2015
15
1
1
76-7
]
[
2018
20
3
3
]
[
2019
0
0
0
]
[
2015
48
4
4
1-17
]
[
2017
59
1
1
28-31
]
[
2018
20
2
2
]
[
2016
23
1
1
17-23
]
[
2017
24
1
1
32-9
]
[
2017
23
4
4
163-73
]
[
2016
23
1
1
24-33
]
[
2017
42
5
5
]
[
2018
35
1
1
15-24
]
[
2016
30
2
2
]
[
2016
114
5
5
e333-7
]
[
2016
87
1
1
53-8
]
[
2009
26
4
4
363-9
]