1816-8949
1816-8949
S1816-89492018000200079
10.18004/anales/2018.051(02)79-086
Paraguay
00
08
2018
00
08
2018
51
2
79
86
[
1998
]
[
2000
4ta
]
[
2010
10
1
1
]
[
2009
27
1
1
]
[
2002
8
48
48
]
[
2009
64
]
[
2006
1ra
]
[
2012
6ta
]
[
2004
22
4
4
339-42
]
[
2004
]
[
2002
24
1-2
]
[
2007
79
]
[
2004
26
4
4
220-5
]
[
1998
]
[
1998
]
[
2010
51
1
1
29-42
]
[
2016
]
[
2012
]
[
2014
]
[
2016
16
2
2
]
[
2004
10
70
70
]
[
2005
3ra
]
[
2017
]