2307-0420
2307-0420
S2307-04202020000100022
10.18004/sopaci.2020.abril.22-25
Paraguay
00
04
2020
00
04
2020
44
1
22
25
[
2016
17
2
2
]
[
2009
80
4
4
364-9
]
[
2007
142
3
3
295-7
]
[
2009
23
896-9
]
[
2009
13
15916
]
[
2010
87
5
5
293-8
]
[
2010
24
4
4
917-3
]
[
2006
20
2
2
329-3
]
[
2008
15
3
3
223-8
]
[
2009
103
4
4
429-30
]
[
2008
54
5
5
1020-9
]
[
2009
23
182530
]
[
2013
52
4
4
245-56
]
[
2011
]
[
2010
62
1
1
33-6
]
[
2011
26
56-61
]