0034-7744
0034-7744
S0034-77442020000401322
10.15517/rbt.v68i4.42139
Mexico
Mexico
Canada
00
12
2020
00
12
2020
68
4
1322
1336
[
1997
]
[
2016
113
1-2
1-2
100-9
]
[
2014
62
1
1
157-76
]
[
1986
13
185-242
]
[
2012
15
1
1
44-52
]
[
2006
32
1
1
97-109
]
[
2008
366
1-2
1-2
16-27
]
[
1992
40
3
3
287-302
]
[
2008
73
6
6
1314-36
]
[
2005
66
1
1
45-72
]
[
1998
1114-28
]
[
2004
19
1-2
1-2
19-27
]
[
2018
212
241-52
]
[
2013
23
1
1
69-86
]
[
2011
21
3
3
311-21
]
[
2005
15
2
2
227-38
]
[
2006
]
[
1997
]
[
1974
44
1
1
242-8
]
[
2006
16
2
2
197-210
]
[
2006
318
1-18
]
[
1995
]
[
2015
63
4
4
1071-81
]
[
1974
]
[
2006
66
1-2
1-2
67-83
]
[
2020
]
[
2019
]
[
2005
15
2
2
205-14
]
[
2014
62
1
1
142-57
]
[
2016
51
1
1
123-36
]
[
2018
66
3
3
1065-77
]
[
2016
46
3
3
561-77
]
[
2001
129
2
2
271-80
]
[
2012
]
[
2014
40
1
1
33-44
]
[
2019
45
2
2
47-58
]
[
2009
56
4
4
330-9
]
[
2001
214
225-35
]
[
2016
]
[
2020
18
1
1
]
[
2017
52
3
3
567-79
]
[
2009
25
1
1
18-25
]
[
2014
35
4
4
456-70
]
[
2015
]
[
2011
39
2
2
250-60
]
[
2013
77
1
1
37-45
]
[
2020
48
1
1
23-37
]
[
2017
45
2
2
443-56
]
[
2009
81
2
2
149-59
]
[
2009
385
245-60
]
[
2007
34
1
1
52-61
]
[
2002
]
[
2014
23
4
4
877-89
]
[
2008
367
57-72
]
[
2006
82
1-3
1-3
140-9
]