1996-2452
1996-2452
S1996-24522020000300518
Cuba
Ecuador
Cuba
00
12
2020
00
12
2020
15
3
518
533
[
2017
36
2
2
53-69
]
[
2004
38
5
5
601-5
]
[
2006
]
[
2012
15
166
166
1-9
]
[
2017
]
[
2017
]
[
2008
23
3
3
151-62
]
[
2019
38
2
2
170-82
]
[
2016
2ed
]
[
2002
8
47
47
1-5
]
[
2011
15
154
154
1-9
]
[
1998
]
[
1988
88
3
3
15-8
]
[
2002
34
2
2
99-125
]
[
2017
]
[
2005
5 ed
]
[
2003
74
4
4
366-75
]
[
2000
32
2
2
141-50
]
[
2004
]
[
1996
]
[
1994
]