1870-199X
1870-199X
S1870-199X2017000400253
Peru
Peru
00
12
2017
00
12
2017
21
4
253
261
[
2006
48
4
4
167-75
]
[
2008
1
1
1
371
]
[
2003
61
11
11
1285-8
]
[
2005
55
7
7
391-7
]
[
2010
48
4
4
1-12
]
[
2012
6
153-6
]
[
2008
12
3
3
137-41
]
[
2002
15
1
1
33-8
]
[
2015
27
79
79
137-44
]
[
2010
1
1
1
80-5
]
[
2013
12
3
3
322-8
]
[
2012
16
1
1
79-82
]
[
1997
99
3
3
368-70
]
[
1998
37
4
4
283-5
]
[
2006
154
4
4
671-5
]
[
2001
27
6
6
521-3
]
[
2012
9
1
1
33-40
]
[
2013
17
4
4
514-9
]