2448-7678
2448-7678
S2448-76782008000200007
Mexico
00
12
2008
00
12
2008
37
102
7
21
[
1982
3
4
4
281-95
]
[
1995
32
3
3
249-66
]
[
2003
14
261-95
]
[
1985
]
[
1998
]
[
1998
6-27
]
[
2000
21
4
4
391-405
]
[
2005
90
6
6
1306-14
]
[
1990
31
2
2
78
]
[
2003
9
4
4
32-44
]
[
1976
19
3
3
370-7
]
[
2006
27
4
4
242-9
]
[
1998
27
4
4
569-84
]
[
1986
]
[
2004
17
2
2
177-93
]
[
1994
15
2
2
157-75
]
[
1993
36
1
1
48-61
]
[
2007
]
[
1988
2
2
2
245
]
[
2003
3
17
17
285-318
]
[
1985
]
[
1994
31
2
2
111-22
]
[
1982
3
2
2
181-200
]
[
2006
91
1
1
202-10
]
[
1972
]
[
2003
]
[
1998
V-XV
]
[
2002
27
57-65
]
[
2006
8
2
2
44-50
]
[
1989
3
2
2
166
]
[
1990
19
2
2
213-28
]
[
1996
10
3
3
21
]
[
1964
8
4
4
520-32
]
[
1994
15
2
2
141-55
]
[
1999
]
[
1985
28
2
2
309-26
]
[
1981
2
4
4
235-53
]
[
1982
19
3
3
373-96
]
[
1995
9
1
1
55-72
]
[
2004
17
2
2
144-59
]
[
1990
1
2
2
107-42
]
[
2002
23
4
4
186-97
]
[
2006
79
37-61
]
[
1991
4
4
4
506-27
]
[
1970
15
2
2
150-63
]
[
2004
57
1
1
55-74
]
[
2000
21
4
4
365-90
]
[
2003
29
4
4
569-88
]
[
2000
21
4
4
407-24
]
[
1983
20
1
1
84-91
]
[
2001
71
243-59
]
[
2004
77
515-30
]
[
1998
21
2
2
21
]