2448-5691
2448-5691
S2448-56912011000200083
Mexico
Mexico
00
12
2011
00
12
2011
4
2
83
102
[
1997
]
[
1994
20
]
[
2002
4
561-70
]
[
2008
]
[
2002
]
[
1993
36
3
3
201-20
]
[
1996
5
375-94
]
[
2006
]
[
2002
27
62-5
]
[
2001
23
5
5
535-49
]
[
1997
]
[
1997
]
[
1993
3
111-35
]
[
1997
22
2
2
114-20
]
[
1998
]
[
2010
2
4
4
98-110
]
[
2000
16
21
21
27-32
]
[
2006
11
30
30
913-42
]
[
2005
7
659-67
]
[
1983
2
]
[
2002
48
3
3
22-7
]
[
1998
]
[
1993
]
[
1997
]