2307-0420
2307-0420
S2307-04202017000100018
10.18004/sopaci.abril.18-23
Paraguay
Paraguay
Paraguay
00
04
2017
00
04
2017
41
1
18
23
[
1953
97
5
5
643
]
[
1886
92
321-46
]
[
1990
160
3
3
291-3
]
[
2007
27
419-28
]
[
1995
60
1
1
17-21
]
[
1986
15
557-64
]
[
2004
56
6
6
550-7
]
[
2004
56
3
3
269-74
]
[
2009
48
3
3
]
[
2007
78
6
6
584-91
]
[
1998
63
2
2
1237
]
[
2007
46
2
2
]
[
2005
78
5
5
312-7
]
[
2005
57
4
4
337-9
]
[
1989
105
2
2
154-9
]
[
1992
185
2
2
549-52
]
[
2005
16
2
2
124-7
]
[
2004
25
184-6
]
[
2008
55
1
1
55-61
]
[
2008
29
8
8
1184-7
]
[
2009
146
^s1
^s1
1
2-7
]
[
2008
83
5
5
247-51
]
[
2010
72
290-3
]