1727-8120
1727-8120
S1727-81202018000200258
Cuba
Cuba
00
08
2018
00
08
2018
18
2
258
272
[
2016
20
4
4
630-42
]
[
2016
14
2
2
20-42
]
[
2016
]
[
1983
]
[
2015
18
2
2
9-16
]
[
1990
]
[
2015
86
6
6
436-43
]
[
1987
]
[
1990
]
[
2005
10
81
81
47-53
]
[
2016
16
2
2
7-14
]
[
2012
36
36
69-76
]
[
2015
]
[
2016
]
[
2006
6
]
[
2014
11
2
2
21-33
]
[
2011
27
1
1
475-80
]
[
2014
11
2
2
21-33
]
[
2013
]
[
2017
]
[
2004
10
1
1
75-88
]
[
2009
25
1
1
12-32
]
[
2014
]
[
2004
]