1817-5996
1817-5996
S1817-59962021000300005
Ecuador
Venezuela
00
12
2021
00
12
2021
23
3
[
2018
8
2
2
140-8
]
[
2017
33
3
3
270-80
]
[
2013
382
339-52
]
[
2020
38
1
1
119-29
]
[
2017
21
3
3
265-72
]
[
2017
21
9
9
2010-7
]
[
2017
21
1
1
19-26
]
[
2018
22
2
2
142-8
]
[
2020
147
2
2
153-60
]
[
2017
37
2
2
115-7
]
[
2017
37
3
3
343-5
]
[
2018
21
4
4
359-67
]
[
2017
20
3
3
259-66
]
[
2015
19
1
1
21-7
]