2218-3620
2218-3620
S2218-36202021000600619
Ecuador
00
12
2021
00
12
2021
13
6
619
628
[
2017
109
201-8
]
[
2020
51
483-9
]
[
2021
50
]
[
2021
21
]
[
2019
93
]
[
2017
1-179
]
[
2020
]
[
2021
60
7
7
924-5
]
[
2020
]
[
2017
24
6
6
343-5
]
[
2020
40
4
4
194-213
]
[
2020
]
[
2021
93
]
[
2020
1-29
]
[
2021
56
225-35
]
[
2021
]
[
2016
807-11
]
[
2021
104
]
[
2019
187-219
]