0864-2141
0864-2141
S0864-21412020000400007
Ecuador
Venezuela
Ecuador
00
12
2020
00
12
2020
34
4
[
2019
LIX
1
1
67-74
]
[
2018
20
1
1
]
[
2019
4
67-73
]
[
2017
7
4
4
22-31
]
[
2014
]
[
2015
20
204
204
1-7
]
[
2017
36
2
2
111-26
]
[
2019
34
4
4
1-11
]
[
2018
2
]
[
2011
17
2
2
37-45
]
[
2019
2
35-49
]
[
2020
3
25
25
56-66
]
[
2018
43
22-38
]
[
2017
39
121-9
]
[
2017
19
3
3
89-100
]
[
1993
]
[
2019
35
2
2
1-20
]
[
2019
30
2
2
19-25
]
[
2018
84
40-4
]
[
2017
38
5
5
515-36
]
[
2016
35
1
1
24-43
]
[
2018
36
2
2
421-33
]
[
2020
26
3
3
1-9
]
[
2019
67
1
1
91-6
]
[
2019
38
2
2
210-25
]