0187-5779
0187-5779
S0187-57792013000500285
Mexico
Mexico
Mexico
00
12
2013
00
12
2013
31
4
285
293
[
2008
7
170-6
]
[
2009
19
21-6
]
[
2011
13
307-15
]
[
2010
12
11-8
]
[
2003
38
1257-64
]
[
2001
69
259-66
]
[
2004
87
117-29
]
[
1992
30
41-51
]
[
1978
]
[
2001
19
47-56
]
[
1993
]
[
1995
12
28-32
]
[
1999
10
47-53
]
[
2011
20
16-25
]
[
2005
88
97-185
]
[
2010
33
2167-81
]
[
2005
]
[
2009
Germany
]
[
2000
29
80-7
]
[
2008
14
13-21
]
[
2007
14
177-83
]
[
1993
34
303-17
]
[
2005
]
[
2012
4
81-90
]
[
2002
94
895-904
]
[
2012
130
19-27
]
[
2007
19
61-8
]
[
2002
20
465-9
]
[
SAS Institute
2003
]
[
2003
84
169-77
]
[
1993
]
[
1982
]