1659-0775
1659-0775
S1659-07752021000100039
Ecuador
Ecuador
Ecuador
Ecuador
Ecuador
Ecuador
00
06
2021
00
06
2021
34
39
48
[
2019
49
3
3
170-80
]
[
2013
84
2
2
1-6
]
[
2015
2
3
3
3-7.
]
[
2004
1-9
]
[
2017
2
3
3
27-34
]
[
2019
12
1
1
8-11
]
[
2006
2
1
1
11-27
]
[
2015
6
16
16
15-24
]
[
2018
6
80-88.
]
[
2012
17
3
3
41-50
]
[
2014
18
4
4
177-9
]
[
2013
9
7-15.
]
[
2014
2
1
1
9-17.
]
[
2018
11
3
3
164-6
]
[
2017
9
2
2
87-92
]
[
2019
]