1816-8949
1816-8949
S1816-89492019000200017
10.18004/anales/2019.052(02)17-022
Paraguay
Paraguay
Paraguay
00
08
2019
00
08
2019
52
2
17
22
[
2003
348
16
16
1546-54
]
[
2016
93
7
7
560-9
]
[
2016
374
22
22
2192
]
[
2013
31
9
9
614-24
]
[
2006
20
Supl 1
Supl 1
175-81
]
[
2010
16
2
2
102-11
]
[
2012
18
5
5
263-72
]
[
2012
56
4
4
2108-13
]
[
2004
Volume 38
Issue 8
Issue 8
1150-8
]
[
1966
45
4
4
493-6
]
[
2019
]
[
2012
14
4
4
710-9
]
[
2009
18
1
1
53-8
]
[
2017
15
3
3
41-9
]
[
2017
37
2
2
96-103
]
[
2011
6
]
[
2011
6
35-6
]
[
2018
41
1
1
17-26
]