1815-5944
1815-5944
S1815-59442020000200002
Ecuador
Cuba
Ecuador
00
08
2020
00
08
2020
23
2
[
2016
457
3
3
35-45
]
[
2013
141
269-76
]
[
2016
515
2
2
354-72
]
[
2017
5
45-55
]
[
2003
51
1
1
94-112
]
[
2017
15
50-60
]
[
2016
385
1
1
115-27
]
[
2011
4
]
[
2009
]
[
2009
]
[
2017
859
177-82
]
[
2017
5
1
1
31-8
]
[
2017
20
3
3
115-21
]