2218-3620
2218-3620
S2218-36202021000600548
Ecuador
00
12
2021
00
12
2021
13
6
548
554
[
2021
16
65-72
]
[
2019
20
689
]
[
2018
6
2
2
426
]
[
2019
8
4
4
43-52
]
[
2016
86
6
6
361-97
]
[
2011
3
70
70
]
[
2016
30
4
4
375-81
]
[
2020
148
1
1
118-22
]
[
2017
6
4
4
]
[
2015
21
12
12
1395-402
]
[
2020
12
2
2
]
[
2019
12
3
3
196-208
]
[
2021
46
]
[
2016
94
3
3
253-8
]
[
1999
84
12
12
4436-43
]
[
1999
84
7
7
2320-3
]
[
2021
9
]
[
2018
33
8
8
551-2
]
[
2017
48
1
1
1-14
]
[
2019
8
6
6
596
]
[
2020
13
27-36
]