1816-8949
1816-8949
S1816-89492017000200023
10.18004/anales/2017.050(02)23-034
Paraguay
Paraguay
Paraguay
Paraguay
00
08
2017
00
08
2017
50
2
23
34
[
2012
103
3
3
179-91
]
[
2013
12
4
4
467-76
]
[
2005
27
6
6
504-28
]
[
2007
98
9
9
627-38
]
[
2010
Vol 3
7ª ed
1606-16
]
[
2006
28
6
6
486-506
]
[
2013
65
1
1
1-11
]
[
2011
7
S3
S3
S1-6
]
[
2007
29
1
1
32-43
]
[
2009
16
3
3
248-63
]
[
]
[
2014
61
2
2
321-46
]
[
2002
360
9341
9341
1197-202
]
[
2004
132
2
2
165-70
]
[
2011
55
6
6
334
]
[
2015
14
7
7
579-85
]
[
2014
13
4-5
4-5
355-8
]
[
2010
6
3
3
161-72
]
[
2014
15
4
4
299-306
]