1817-5996
1817-5996
S1817-59962019000400016
Ecuador
Ecuador
Ecuador
00
00
2019
00
00
2019
21
[
2018
42
3
3
32-3
]
[
2017
32
2
2
152-6
]
[
2018
20
1
1
48-51
]
[
2018
]
[
2016
31
1
1
44-9
]
[
2017
56
265
265
123-7
]
[
2018
5
1
1
50-5
]
[
2017
28
3
3
4486-8
]
[
2017
85
30-3
]
[
2016
55
3
3
20-4
]
[
2016
24
2
2
74-80
]
[
2018
19
1
1
21-4
]
[
2016
55
3
3
]
[
2018
89
1
1
98-102
]