1560-4381
1560-4381
S1560-43812019000300917
Ecuador
00
09
2019
00
09
2019
23
3
917
930
[
2016
6
1
1
1-2
]
[
2018
9
1488
]
[
2017
21
5
5
628-34
]
[
2016
86
2
2
170-4
]
[
2016
20
5
5
658-67
]
[
2015
]
[
2018
17
5
5
]
[
2017
3
1
1
]
[
2015
56
11
11
6724-33
]
[
2013
920713
]
[
2014
6
4
4
]
[
2008
10
17
17
1169-74
]
[
2018
2da
283-8
]
[
2016
79
4
4
247-52
]
[
2017
237
4
4
185-222
]
[
2015
38
9
9
]
[
2017
8
2
2
1056-82
]
[
2017
124
3
3
343-51
]
[
2013
120
12
12
2604-10
]
[
2019
82
1
1
72-7
]
[
2018
81
4
4
276-80
]
[
2016
79
4
4
229-32
]
[
2018
45
6
6
154-60
]
[
2014
98
^s2
^s2
2
]
[
2014
132
2
2
174-81
]
[
2011
118
5
5
840-5
]
[
2017
80
2
2
78-83
]
[
2018
25
2
2
100-6
]
[
2017
145
5
5
564-71
]
[
2008
31
^s3
^s3
3
35-44
]
[
1999
127
6
6
688-93
]