1727-897X
1727-897X
S1727-897X2019000200241
Ecuador
Cuba
00
04
2019
00
04
2019
17
2
241
247
[
2016
20
1
1
15
]
[
2012
28
1
1
16
]
[
2017
20
]
[
2016
24
1
1
45-50
]
[
2016
81
3
3
243-53
]
[
2017
68
2
2
14
]
[
2016
32
2
2
16
]
[
2014
69
12
12
22
]
[
2017
2017
30
]
[
2013
6
1
1
20
]
[
2017
11
5
5
QC09-12
]
[
2016
21
3
3
239-46
]
[
2015
13
3
3
12
]
[
2014
79
4
4
18
]
[
2013
27
3
3
16
]
[
2015
33
2
2
24
]
[
2017
23
1
1
19-33
]
[
2014
10
31
31
157-77
]
[
2017
16
5
5
14
]