1817-5996
1817-5996
S1817-59962019000400008
Ecuador
Ecuador
00
00
2019
00
00
2019
21
[
2018
89
1
1
59-66
]
[
2017
19
3
3
150-2
]
[
2014
41
6
6
1163-70
]
[
2015
82
1
1
147-50
]
[
2017
24
3
3
145-52
]
[
2017
88
2
2
263-7
]
[
2004
31
390-2
]
[
2014
10
7
7
843-54
]
[
2016
55
1556-65
]
[
2018
20
1
1
]
[
2015
17
2^s1
2^s1
1
]
[
2015
56
2
2
201-14
]
[
2016
144
7
7
910-6
]
[
2015
5
2
2
]
[
2016
37
6
6
349-54
]
[
2016
32
3
3
394-402
]
[
2018
6
1
1
]
[
2019
0
0
0
]