0034-7744
0034-7744
S0034-77442020000401298
10.15517/rbt.v68i4.41269
Cuba
Costa Rica
Cuba
Cuba
00
12
2020
00
12
2020
68
4
1298
1310
[
1994
76
79-85
]
[
1990
21
403-10
]
[
2004
181
352-61
]
[
2005
7
1641-54
]
[
2012
38
4
4
599-608
]
[
1981
]
[
2010
8
3
3
1-9
]
[
2011
34
561-5
]
[
2015
437
195-200
]
[
2000
17
4
4
540-52
]
[
2007
40
14-23
]
[
2007
6
4
4
5-16
]
[
2012
9
8
8
772
]
[
2009
Three
Second
]
[
2017
19
3
3
3-10
]
[
1997
63
5
5
2105-8
]
[
1992
42
1
1
58-63
]
[
2014
1
37-64
]
[
2007
23
5
5
507-32
]
[
1987
15
24
24
10455-67
]
[
2019
85
11
11
3126-18
]
[
1999
86
5
5
796-804
]
[
2011
78
3
3
463-72
]
[
2015
]
[
1998
1
]
[
2004
150
6
6
1769-77
]
[
1968
]
[
2013
103
2
2
133-9
]
[
2017
20
4
4
1160-6
]
[
2017
30
3146-54
]
[
1995
16
4
4
801-11
]
[
1984
1
]
[
2009
78
5
5
554
]
[
2013
3
1
1
17-24
]
[
1977
]
[
2002
215
390-5
]
[
2003
]
[
1994
2
73-82
]
[
2000
50
2
2
427-50
]
[
2008
82
3
3
209-16
]
[
1997
47
4
4
1034-9
]
[
1979
25
387-96
]
[
2010
3
5
5
75-86
]
[
2009
4
2
2
418-52
]
[
1993
1016-22
]
[
1952
11
10-8
]
[
2006
32
2
2
265-8
]
[
2010
60
1
1
154-65
]
[
1998
48
3
3
749-58
]
[
2005
46
2
2
241-6
]
[
2006
42
578-82
]
[
1994
967-80
]
[
2014
64
384-91
]
[
2009
]
[
2013
32
4
4
1043-50
]
[
2011
97
2
2
95-102
]
[
2020
68
^s1
^s1
1
S213-24
]
[
2010
2
3
3
1-7
]
[
2003
53
2
2
491-9
]
[
2013
7
529-33
]
[
2014
61
3
3
118-21
]
[
2017
40
10
10
1351-62
]
[
2012
12
335-7
]
[
2009
57
1
1
140-50
]
[
2011
75
6
6
1073-8
]
[
2012
52
3
3
350-9
]
[
2013
114
6
6
1713-24
]
[
2005
71
5107-15
]
[
2007
73
13
13
4279-85
]
[
2015
3
]
[
2007
57
12
12
2823-9
]
[
2008
190
10
10
3494-504
]
[
2014
7
1
1
71-80
]
[
2011
27
2
2
171-80
]
[
1999
49
2
2
705-24
]
[
1991
156
1
1
1-4
]
[
2012
329
61-8
]
[
2010
56
6
6
499-507
]
[
2011
30
12
12
758-63
]