0034-7744
0034-7744
S0034-77442020000200655
10.15517/rbt.v68i2.39676
Colombia
Mexico
00
06
2020
00
06
2020
68
2
655
668
[
1991
14
1
1
1-161
]
[
1998
48
66-84
]
[
1977
31
26-8
]
[
1963
I-III
]
[
2001
114
3
3
223
]
[
2001
114
3
3
237-46
]
[
1998
76
1245-52
]
[
2011
19
7-54
]
[
2017
313-30
]
[
2002
163
2
2
35-260
]
[
2011
50
235-61
]
[
1989
]
[
2010
67
1
1
52-64
]
[
1990
203-30
]
[
2008
48
3
3
1155-67
]
[
2016
80
2
2
97-108
]
[
2001
175-214
]
[
2006
23-67
]
[
2002
3
1-263
]
[
1984
123
1
1
38-47
]
[
1977
64
5
5
602-5
]
[
1990
95-120
]
[
1995
85
1-12
]
[
2018
43
2
2
397-413
]
[
1997
42
2
2
261-395
]
[
1993
7
1-11
]
[
1963
124
405-12
]
[
1987
60
353-60
]
[
1995
73
1867-77
]
[
1995
198
55-88
]
[
2010
49
4
4
243-62
]
[
1974
52
2283-8
]
[
2014
14
2
2
45-74
]
[
PPG I.
2016
54
563-603
]
[
2015
105
2
2
127-30
]
[
2007
143
1-2
1-2
1-83
]
[
1995
82
8
8
969-81
]
[
2011
59
4
4
1845-58
]
[
2013
61
3
3
1067-81
]
[
2014
62
1
1
273-98
]
[
2014
62
3
3
1161-95
]
[
2019
67
6
6
1292-312
]
[
1999
]
[
2003
240
21-233
]
[
2018
179-200
]
[
1979
44
393-405
]
[
1983
63
125-34
]
[
2006
55
3
3
705-31
]
[
2014
25-40
]
[
2012
98
111-24
]
[
2019
44
4
4
1-16
]
[
2016
105
200-11
]
[
2012
16
2
2
60-6
]
[
1982
]
[
1991
]
[
1989
76
7
7
939-51
]
[
1991
78
1
1
24-36
]
[
1991
78
1182-90
]
[
1990
35
177-215
]
[
1992
36
515-40
]
[
1993
37
529-61
]
[
2004
43-63
]
[
1958
45
6
6
483-91
]
[
2015
]