2072-8174
2072-8174
S2072-81742016000200081
10.18004/rdn2016.0008.02.081-093
Paraguay
Paraguay
Paraguay
00
12
2016
00
12
2016
8
2
81
93
[
2015
17
4
4
561-3
]
[
2015
80
202-5
]
[
2006
28
2
2
112-21
]
[
1991
2
4
4
517-22
]
[
1985
153
2
2
155-7
]
[
1979
30
1
1
70-4
]
[
1997
52
12
12
736-40
]
[
1996
175
3
3
787-92
]
[
2013
59
3
3
199-202
]
[
2001
76
6
6
1270-1
]
[
2015
15
3
3
268-71
]
[
2013
20
2
2
76-80
]
[
2011
284
5
5
1137-51
]
[
2015
80
202-5
]
[
2008
191
6
6
79-82
]
[
2002
14
25-9
]
[
2009
50
7
7
823-9
]