1560-4381
1560-4381
S1560-43812019000100297
Ecuador
Ecuador
Cuba
00
03
2019
00
03
2019
23
1
297
304
[
2015
48
2
2
97-102
]
[
2014
74
4
4
250-3
]
[
2014
71
610
610
333-8
]
[
2013
14
3
3
154-7
]
[
2009
62
6
6
489-93
]
[
2010
63
1
1
78-84
]
[
2011
135
10
10
1363-7
]
[
2013
4
1
1
232-5
]
[
2011
71
2
2
106-10
]