1816-8949
1816-8949
S1816-89492019000300037
10.18004/anales/2019.052.03.37-046
Paraguay
Paraguay
00
12
2019
00
12
2019
52
3
37
46
[
2017
32
4
4
297-305
]
[
2010
44
1
1
147-53
]
[
2011
23
4
4
390-6
]
[
2012
23
2
2
88-95
]
[
2015
8
285
285
1-8
]
[
2016
3
1
1
12-7
]
[
2015
22
68
68
1-8
]
[
2011
23
5
5
503-9
]
[
2018
12
1
1
1-8
]
[
2014
64
12
12
1392-7
]
[
2010
25
2
2
97-105
]
[
2015
32
2
2
299-302
]
[
2002
14
6
6
493-502
]
[
2017
120
523-6
]
[
2015
32
4
4
1766-72
]
[
2015
38
2
2
247-54
]
[
2013
42
3
3
255-7
]
[
2016
33
4
4
794-800
]
[
2016
33
4
4
801-10
]
[
2015
7
6
6
95-100
]
[
2013
30
4
4
691-7
]
[
2017
]
[
2015
21
1
1
91-102
]
[
2016
31
5
5
300-8
]
[
2015
30
5
5
226-36
]
[
2017
4
3
3
121-8
]
[
2015
76
1
1
63-70
]
[
2006
18
2
2
152-8
]
[
2015
143
2
2
244-51
]
[
2014
22
3
3
454-60
]