1659-0775
1659-0775
S1659-07752017000200069
Peru
Peru
Peru
Peru
00
12
2017
00
12
2017
27
69
77
[
2008
46
3
3
381-92
]
[
2012
7
8
8
1-4
]
[
2008
4
1
1
69-74
]
[
2011
1
3
3
51-9
]
[
2012
1
24-9
]
[
2013
96
]
[
2008
46
4
4
1-5
]
[
2013
62
]
[
2012
53
]
[
2014
13
4
4
1171-3
]
[
2015
15
1-8
]
[
2014
11
7
7
8-10
]
[
2007
20
2
2
30-8
]
[
2015
2
2
2
1-5
]
[
2015
19
76
76
16-9
]
[
2013
13
3
3
281-9
]
[
2016
7
3
3
119-22
]
[
2015
2
2
2
47-52
]
[
2014
7
2
2
66-72
]
[
2015
106
1
1
15-9
]
[
2015
53
]
[
2013
30-3
]
[
2016
37
]
[
2015
4
5
5
313-20
]
[
2015
31
5
5
313-21
]
[
2009
25
1338-46
]
[
2015
22
66
66
262-9
]
[
2016
35
3
3
503-10
]
[
2014
4
17-21
]
[
2015
51-6
]