0187-5779
0187-5779
S0187-57792012000400327
Mexico
Mexico
00
12
2012
00
12
2012
30
4
327
336
[
2005
131
225-32
]
[
1995
10
369-73
]
[
2003
9
1-14
]
[
2008
143-62
]
[
2011
103
71-90
]
[
2008
113
1-14
]
[
2002
113
21-37
]
[
2006
440
165-73
]
[
2003
67
798-805
]
[
2011
62
82-94
]
[
2003
54
319-25
]
[
2008
1-22
]
[
2001
52
675-82
]
[
2004
141
295-305
]
[
2009
3
1123-230
]
[
2002
240
213-23
]
[
2004
141
269-81
]
[
2007
71
820-8
]
[
2000
146
131-6
]
[
2004
123
159-76
]
[
1992
44
81-99
]
[
1995
9
23-36
]
[
2000
51
107-10
]
[
1997
102
28779-84
]
[
2008
171
344-54
]
[
2009
114
]
[
2000
48
1-6
]
[
2005
73
3-27
]
[
2008
22
1000-7
]
[
2010
16
1589-605
]
[
2010
20
1569-82
]
[
2012
21
84-93
]
[
2008
113
]
[
2012
7
]
[
2001
134-57
]
[
2001
177
3-13
]
[
2006
111
1-14
]