1028-9933
1028-9933
S1028-99332018000100175
Ecuador
Cuba
00
02
2018
00
02
2018
97
1
175
182
[
2015
29
3
3
127
]
[
2015
156
6
6
1003-7
]
[
2015
43
1
1
21-8
]
[
2013
14
1
1
37
]
[
2011
220
220
7-91
]
[
2014
28
3
3
233-42
]
[
2016
66
5
5
381-6
]
[
2010
6
79
]
[
2011
97
179-206
]
[
2015
]
[
2014
23
4
4
1-5
]