0034-7744
0034-7744
S0034-77442018000100070
10.15517/rbt.v66i1.28528
Costa Rica
Costa Rica
Costa Rica
00
03
2018
00
03
2018
66
1
70
77
[
1984
48
1
1
147-55
]
[
2016
7
1
1
101-8
]
[
2000
]
[
2014
81-82
115-8
]
[
2015
63
3
3
815-25
]
[
2008
40
4
4
494-500
]
[
2010
55
4
4
597-9
]
[
2004
75
2
2
383-437
]
[
2004
]
[
2008
]
[
2009
25
5
5
563-7
]
[
2016
61
2
2
125-32
]
[
2010
91
3
3
722-36
]
[
1997
45
3
3
1223-9
]
[
2008
]
[
2004
5
109 111
]
[
2002
257
2
2
141-3
]
[
2000
9
10
10
1583-90
]
[
2010
74
3
3
317-21
]
[
2015
54
16
16
]
[
2010
53
11-2
]
[
2016
3
148
]
[
1969
]
[
2010
]
[
2011
41
4
4
294-312
]
[
2012
]
[
2006
87
4
4
808-16
]
[
2016
40
4
4
669-77
]
[
2009
13
7-33
]
[
2016
11
]
[
1986
210
1
1
149-59
]
[
2013
41
484-9
]
[
2006
29
4
4
735-40
]
[
2015
60
3
3
207-16
]
[
2012
286
2
2
102-9
]
[
2017
20
1
1
69-73
]
[
2012
46
3
3
340-7
]
[
2005
69
4
4
1419-33
]
[
2006
270
1
1
25-30
]