0187-5779
0187-5779
S0187-57792012000400355
Mexico
00
12
2012
00
12
2012
30
4
355
362
[
2006
6
220-7
]
[
2007
96
30-6
]
[
1999
31
769-77
]
[
1994
]
[
1996
42
105-11
]
[
2006
63
1-12
]
[
2006
31
37-52
]
[
2011
2
24-39
]
[
2008
34
215-29
]
[
2002
23
19-30
]
[
1998
]
[
1999
]
[
1992
56
1470-6
]
[
1998
5
83-93
]
[
2001
9
24-32
]
[
2003
1-19
]
[
2008
31
99-108
]
[
2006
337-43
]
[
1994
84
123-30
]
[
2001
]
[
2004
22
307-16
]
[
1934
37
29-38
]