0034-7744
0034-7744
S0034-77442019000601543
10.15517/rbt.v67i6.35248
Costa Rica
Costa Rica
00
12
2019
00
12
2019
67
6
1543
1559
[
2016
56
180-90
]
[
1983
40
10
10
1813-9
]
[
2018
4407
4
4
506-20
]
[
1985
30
5
5
1090-2
]
[
1985
]
[
1989
6
1
1
17-22
]
[
1996
]
[
1985
35
10
10
634-9
]
[
1988
5
1/2
1/2
77-85
]
[
2011
50
4
4
454-65
]
[
2003
22
1-2
1-2
103-13
]
[
2012
58
3
3
463-82
]
[
2002
]
[
2001
445
1-3
1-3
165-74
]
[
2015
]
[
2012
]
[
1981
49
3
3
316-21
]
[
2004
1
]
[
1987
35
2
2
277-85
]
[
1990
38
2B
2B
387-94
]
[
2004
29
10
10
548-55
]
[
2001
]
[
1995
312
2
2
75-85
]
[
2001
4
1
1
9
]
[
2015
750
1
1
57-67
]
[
2011
13
2
2
21-8
]
[
2019
82
1
1
339-51
]
[
1955
]
[
1961
]
[
1968
]
[
1968
2nd
]
[
1967
30
1
1
154-76
]
[
2005
]
[
1983
37
65-180
]
[
2006
]
[
1991
]
[
1996
43-64
]
[
1978
66
849-80
]
[
1978
59
4
4
666-71
]
[
2009
1-10
]
[
1982
67
297-322
]
[
2005
542
235-47
]
[
1999
47
4
4
643-57
]
[
1983
104
1
1
357-61
]
[
2017
1-12
]
[
1981
38
4
4
458-63
]
[
1979
44
1
1
1-7
]
[
2011
2011
]
[
1990
35
4
4
795-808
]
[
1984
]
[
2013
61
2
2
603-44
]
[
2005
62
2
2
348-61
]
[
R Core Team
2013
]
[
1990
7
1
1
19-25
]
[
1984
]
[
1984
14
2
2
111-42
]
[
2006
]
[
2015
48
334-41
]
[
2008
]
[
1995
]
[
2012
60
4
4
1819-36
]
[
1983
100
1
1
169-201
]
[
2012
43
429-48
]
[
1986
106
4
4
433-71
]
[
2009
]
[
1998
]
[
2017
38
1
1
101-6
]
[
1983
28
6
6
1214-24
]
[
1987
79
1
1
87-127
]
[
1990
38
2A
2A
311-21
]
[
1985
]
[
2010
58
4
4
1405-19
]
[
2014
62
2
2
483-94
]
[
2016
64
4
4
1771-81
]
[
2018
66
S1
S1
S123-31
]
[
2018
66
1-1
1-1
S42-52
]
[
2003
]
[
2019
34
1
1
49-63
]
[
1904
I
]
[
1905
II
]
[
1908
III
]
[
1912
]
[
1923
V
]
[
2001
]
[
2014
66
4
4
317-28
]