1817-5996
1817-5996
S1817-59962019000400002
Ecuador
00
00
2019
00
00
2019
21
[
2016
16
3
3
221-8
]
[
2014
16
1
1
]
[
2018
150
1
1
26-32
]
[
2016
49
2
2
1-13
]
[
2014
16
1
1
]
[
2017
49
2
2
1-13
]
[
2016
36
1
1
77-80
]
[
2015
9
1
1
81-97
]
[
2018
14
2
2
75-80
]
[
2012
28
2
2
89-99
]
[
2014
17
1
1
]
[
2016
15
6
6
927-33
]
[
2016
16
3
3
221-8
]
[
2017
13
1
1
23-32
]
[
2015
15
1
1
36-50
]
[
2012
23
4
4
391-400
]
[
2016
16
1
1
56-63
]