1817-5996
1817-5996
S1817-59962020000400013
Ecuador
Ecuador
Ecuador
00
00
2020
00
00
2020
22
[
2017
19
3^s1
3^s1
1
]
[
2018
20
1
1
1-4
]
[
2015
17
1
1
1
]
[
2013
15
3
3
209-13
]
[
2019
48
2
2
238-44
]
[
2017
5
2
2
]
[
2015
85
1
1
]
[
2009
4
2
2
]
[
2017
19
1
1
213-9
]
[
2013
17
6
6
]
[
2014
20
3
3
]
[
2005
58
5
5
]
[
2017
38
]
[
2017
59
265
265
110-4
]
[
2016
11
3
3
115-21
]
[
2016
31
4
4
325-9
]
[
2014
30
3
3
425-6
]
[
2016
]
[
2015
10
2
2
66-77
]
[
2016
12
11
11
606-16
]
[
2018
5
49-54
]
[
2015
13
5
5
906-12
]
[
2017
19
3
3
]
[
2015
47
10
10
46
]
[
2013
35
2
2
134-43
]
[
2015
30
2
2
292-8
]
[
2018
3
2
2
280-95
]