1990-8644
1990-8644
S1990-86442021000600274
Ecuador
00
12
2021
00
12
2021
17
83
274
280
[
2020
37
253-8
]
[
2020
52
4
4
583-9
]
[
2021
17
1-6
]
[
2021
31
^sS49-S54
^sS49-S54
S49-S54
]
[
2010
16
3
3
33-9
]
[
2015
31
3
3
]
[
2019
12
3
3
196-208
]
[
2021
46
]
[
2021
31
24-8
]
[
2010
21
2
2
68-73
]
[
2020
9
1
1
1-2
]
[
2020
44
7
7
439-45
]
[
2014
24
1
1
79-89
]
[
2019
10
6
6
28-38
]
[
2011
139
6
6
807-13
]
[
2020
13
1-10
]