1816-8949
1816-8949
S1816-89492019000200053
10.18004/anales/2019.052(02)53-058
Paraguay
Paraguay
00
08
2019
00
08
2019
52
2
53
58
[
2004
39
5
5
346-34 8
]
[
2011
21
1
1
23-6
]
[
2004
45
1-11
]
[
2009
33
11
11
1659-65
]
[
2017
43
5
5
698-703
]
[
2006
33
191-206
]
[
2016
96
64-7
]
[
2017
13
2
2
371-3
]
[
2001
27
1
1
9-18
]
[
2018
40
1
1
172-82
]
[
2017
49
8
8
492-7
]
[
2016
7
2
2
77-86
]
[
2015
386
9997
9997
983-94
]
[
2015
165
23-24
23-24
504-7
]
[
2015
30
8
8
518-26
]
[
2010
48
3
3
194-203
]
[
2015
30
7
7
462-72
]