1817-5996
1817-5996
S1817-59962021000100005
Ecuador
Ecuador
Ecuador
00
04
2021
00
04
2021
23
1
[
2018
79
4
4
351-9
]
[
2018
72
1
1
5-9
]
[
2017
34
2
2
69-75
]
[
2014
16
2
2
240-4
]
[
2015
17
^s1
^s1
1
1
]
[
2019
21
^s1
^s1
1
]
[
2019
23
3
3
]
[
2018
21
2
2
13-20
]
[
2018
]
[
2019
]
[
2019
11
1
1
]
[
2017
16
2
2
69-75
]
[
2019
80
3
3
337-41
]