2307-3349
2307-3349
S2307-33492018000200021
10.18004/rspp.2018.diciembre.21-27
Paraguay
Chile
00
12
2018
00
12
2018
8
2
21
27
[
2018
18
1-9
]
[
2005
36
313-26
]
[
2012
6
10
10
1865
]
[
1989
25-40
]
[
2010
4
119-26
]
[
2013
32
1
1
27-42
]
[
2005
11
632-6
]
[
1994
170
1216-23
]
[
2016
9
4
4
]
[
2013
20
2
2
233-8
]
[
2017
75
34
34
1-6
]
[
2015
93
6
6
1148-55
]
[
2014
14
1
1
1-11
]
[
2018
18
516
516
1-8
]
[
1992
86
206-9
]
[
2017
12
3
3
1-19.
]
[
2017
3
5
5
1-7
]
[
2014
33
]
[
2014
1
2
2
16-9
]
[
1994
57
17-25
]
[
2013
26
5
5
404-12
]
[
2005
39
2
2
203-16
]
[
2006
]
[
2014
]
[
2010
469-e478
]