2218-3620
2218-3620
S2218-36202021000600590
Ecuador
00
12
2021
00
12
2021
13
6
590
597
[
2021
49
3
3
219-34
]
[
2020
52
4
4
583-9
]
[
2020
26
4
4
450-2
]
[
2020
588
7839
7839
682-7
]
[
2020
7
2
2
61-4
]
[
2020
28
3
3
364-70
]
[
2020
129
]
[
2020
181
4
4
914-21
]
[
2020
586
7830
7830
516-27
]
[
2020
584
7821
7821
425-9
]
[
2021
46
]
[
2021
16
16
73-81
]
[
2020
81
]
[
2021
5
5
]
[
2020
369
6500
6500
208-11
]
[
2020
323
18
18
1824-36
]
[
2020
28
1
1
]
[
2021
21
1
1
52-8
]
[
2020
94
44-8
]
[
2020
13
27-36
]