1817-5996
1817-5996
S1817-59962021000300004
Ecuador
Ecuador
00
12
2021
00
12
2021
23
3
[
2018
20
2
2
]
[
2019
23
1
1
114-20
]
[
2020
16
4
4
]
[
2020
22
^s4
^s4
4
]
[
2020
39
3
3
262-70
]
[
2020
22
3
3
]
[
2019
21
3
3
]
[
2018
34
2
2
278-87
]
[
2009
13
6
6
]
[
2019
21
3
3
]
[
2018
65
3
3
316-20
]
[
2020
8
3
3
]