0034-7744
0034-7744
S0034-77442016000200449
10.15517/rbt.v64i2.18137
MX
MX
MX
00
06
2016
00
06
2016
64
2
449
459
[
2004
325-36
]
[
2014
33
1
1
145-52
]
[
1994
]
[
1986
13
]
[
2013
57
2
2
85-94
]
[
2007
1
2
2
37-46
]
[
1997
212
2
2
149-72
]
[
1973
53
01
01
39-58
]
[
1998
60
1
1
90-103
]
[
1978
897-942
]
[
1985
2
3
3
47-56
]
[
1993
]
[
2015
]
[
1979
6
6
81-98
]
[
1998
1-26
]
[
1987
64
1
1
65-76
]
[
2007
263
1
1
238-48
]
[
2009
22
03
03
319-29
]
[
2010
29
1
1
69-75
]
[
1968
]
[
1964
64
64
1-480
]
[
2003
51
4
4
109-17
]
[
1979
1-49
]
[
2006
6
1
1
138-49
]
[
1969
3
1-20
]
[
1982
68
143-60
]
[
1982
2
113-40
]
[
1997
149
3
3
285-321
]
[
2013
135
146-57
]
[
1989
47
4
4
245-57
]
[
2010
76
5
5
737-45
]
[
1951
101
101
151-6
]
[
1965
99
99
115-247
]
[
1995
3
61-75
]
[
1951
113
719-21
]
[
2000
23
1
1
34-45
]
[
2013
57
3
3
208-18
]
[
2003
74
2
2
179-93
]
[
1920
12
02
02
339-66
]
[
1995
20
2
2
225-42
]
[
1996
142
119-35
]
[
1991
18
2
2
289-328
]
[
2008
27
5
5
1129-41
]
[
1980
8
21-42
]
[
1992
112
1
1
67-4
]
[
1965
1
51-69
]
[
1996
467-513
]
[
2001
20
1
1
215-20
]
[
1996
335-70
]
[
2006
56
2
2
107-24
]
[
1981
22
21-6
]
[
2005
24
1
1
157-65
]