1816-8949
1816-8949
S1816-89492019000300077
10.18004/anales/2019.052.03.77-090
Paraguay
Paraguay
Paraguay
Paraguay
00
12
2019
00
12
2019
52
3
77
90
[
2013
17
2
2
151-61
]
[
1996
335
7
7
468-74
]
[
1997
11
3
3
551-81
]
[
1999
11
3-4
3-4
247-51
]
[
2016
18
1
1
104-16
]
[
2007
49
2
2
175-9
]
[
2018
vol.45
no.2
no.2
165-9
]
[
2017
44
3
3
199-204
]
[
2014
41
1
1
57-64
]
[
2018
16
3
3
44-50
]
[
2017
15
3
3
41-9
]
[
2015
10
1
1
04-11
]
[
2018
51
3
3
61-8
]
[
2017
37
2
2
96-103
]
[
2018
51
2
2
17-26
]
[
2018
5
1
1
59-70
]
[
2018
5
2
2
62-72
]
[
2016
8
2
2
34-46
]
[
2017
50
2
2
51-66
]
[
2015
10
1
1
37-47
]
[
2017
2
2
2
00
]
[
2016
1
1
1
4-13
]
[
2019
21
4
4
11
]
[
2000
10
8
8
509-15
]
[
2015
65
639
639
e702-7
]
[
2018
13
1
1
]
[
2010
7
12
12
653-60
]
[
2019
68
1
1
29-36
]
[
2003
348
2
2
138-50
]
[
2003
163
10
10
1206-12
]
[
1990
80
3
3
331-3
]
[
2014
28
1
1
1-13
]
[
2018
45
3
3
467-84
]
[
2018
24
1
1
10-9
]
[
2019
108
56-67
]
[
2018
18
1
1
107-17
]
[
2016
16
365
]
[
2011
38
68-72
]
[
2014
28
1
1
135-47
]
[
2018
43
2
2
116-20
]
[
2008
21
2
2
115-22
]
[
2016
93
7
7
560-9
]
[
2006
20
Supl 1
Supl 1
175-81
]
[
2018
150
7
7
262-5
]
[
2016
126
12
12
4430-43
]
[
2019
39
1
1
107-16
]
[
2018
67
1716-25
]
[
2018
8
1
1
]
[
2018
5
15
]