2218-3620
2218-3620
S2218-36202021000600577
Ecuador
00
12
2021
00
12
2021
13
6
577
582
[
2020
1-7
]
[
2020
31
3
3
]
[
2020
35
9
9
633-8
]
[
2021
16
16
65-72
]
[
2020
65
47-53
]
[
2020
1
268-74
]
[
2020
]
[
2019
9
5
5
53-62
]
[
2019
I8
4
4
43-52
]
[
2021
268
6
6
2007-12
]
[
2020
181
4
4
914-21
]
[
2020
72
3
3
320-5
]
[
2020
71
6
6
379-85
]
[
2021
46
]
[
2019
90
1
1
26-35
]
[
2020
80
2
2
247-58
]
[
2021
1-7
]
[
2020
52
7
7
334-44
]
[
2020
13
01-10
]