0187-5779
0187-5779
S0187-57792012000200165
Mexico
Mexico
Mexico
00
06
2012
00
06
2012
30
2
165
176
[
2009
85
1-12
]
[
2003
21
91-9
]
[
2010
9
31-8
]
[
1995
5
223-8
]
[
2001
11
3-42
]
[
1983
155
277-80
]
[
2005
15
620-7
]
[
1991
134
189-207
]
[
2010
1
1-11
]
[
1990
82
749-54
]
[
1991
11
3229-38
]
[
1991
]
[
2007
102
161-5
]
[
2001
25
281-93
]
[
2010
12
102-15
]
[
2002
244
221-30
]
[
1986
111
288-92
]
[
2006
16
413-9
]
[
2000
18
361-7
]
[
2002
245
83-93
]
[
1995
378
626-9
]
[
2001
21
561-8
]
[
2007
30
310-22
]
[
2008
8
49-56
]
[
2005
10
22-9
]
[
1991
117
365-86
]
[
2000
148
511-7
]
[
1999
]
[
1980
26
536-8
]
[
1998
27
402-7
]
[
1998
11
14-22
]
[
2001
14
1140-8
]
[
2000
12
313-6
]
[
1994
159
89-102
]
[
1999
34
484
]
[
1998
258
628-38
]
[
1990
115
495-501
]
[
1992
31
263-7
]
[
2008
6
763-75
]
[
2003
43
225-44
]
[
1970
55
158-61
]
[
2010
30
1129-39
]
[
1998
126-40
]
[
2002
216
23-37
]
[
2011
66
3-10
]
[
1999
144
507-16
]
[
2010
31
45-52
]
[
SAS Institute
1988
]
[
1998
116
447-53
]
[
SEDER
2012
]
[
SIAP
2011
]
[
1991
]
[
1985
88
213-21
]
[
1997
]
[
2003
133
16-20
]
[
1979
]
[
1980
85
15-23
]
[
1988
]
[
2008
26
227-33
]