2218-3620
2218-3620
S2218-36202021000600583
Ecuador
00
12
2021
00
12
2021
13
6
583
589
[
2020
52
4
4
583-9
]
[
2021
16
16
65-72
]
[
2018
32
1
1
9-18
]
[
2017
31
3
3
151-9
]
[
2020
7
2
2
61-4
]
[
2020
22
2
2
]
[
2017
21
5
5
518-26
]
[
2020
586
7830
7830
516-27
]
[
2021
46
]
[
2021
15
17-22
]
[
2020
94
44-8
]