2448-5691
2448-5691
S2448-56912014000200056
Venezuela
00
12
2014
00
12
2014
7
13
56
68
[
2009
48
2308
]
[
2011
46
26
]
[
2009
43
4
4
541
]
[
2011
6
1820
]
[
2002
2
397
]
[
2008
33
1
1
127
]
[
2004
63
20
]
[
2012
31
346
]
[
2009
84
151
]
[
2012
217
502
]
[
2005
71
5532
]
[
2011
8
]
[
2012
4
1
1
54
]
[
2010
55
1017
]
[
2011
15
3
3
50
]
[
2013
]
[
2013
7
136
136
1752
]
[
2013
39
4
4
4499
]
[
2004
]
[
2011
13
8
8
3207
]
[
2011
46
11
11
1794
]
[
2013
48
730
]
[
2010
33
6
6
1266
]
[
2013
10
89
]
[
2007
42
244
]
[
2010
5
10
10
1098
]
[
2012
]
[
2001
30
1118-9
]