1816-8949
1816-8949
S1816-89492021000100109
10.18004/anales/2021.054.01.109
Paraguay
Paraguay
00
04
2021
00
04
2021
54
1
109
124
[
2019
3
1
1
2-3
]
[
2006
81
4
4
354-73
]
[
2008
149
5
5
334-41
]
[
2003
25
5
5
502-6
]
[
2018
9
323-33
]
[
2001
64
3
3
265-70
]
[
1999
33
4
4
243-50
]
[
2003
29
2
2
97-102
]
[
2020
10
1
1
37-43
]
[
2020
1-6
]
[
2018
14
2
2
3
]
[
2019
31
7-8
7-8
598-602
]
[
2018
19
3
3
313-7
]
[
2016
7
2
2
1-12
]
[
2010
29
3
3
259-74
]
[
2012
]
[
2017
]
[
2007
190
248-54
]
[
1981
7
2
2
225-40
]
[
2011
41
8
8
1751-61
]
[
2015
48
1
1
59-68
]
[
2014
14
6
6
]
[
2013
1
1
1
7-23
]
[
2016
9
4
4
373-80
]
[
2020
4
2
2
52-9
]
[
2017
20
1
1
5-10
]
[
2016
316
21
21
2214-36
]
[
2014
35
9
9
694-703
]
[
2016
59
3
3
325-31
]
[
2015
53
2
2
325-35
]
[
2014
2
1
1
1009-22
]
[
2019
13
5
5
1557988319873532
]
[
2003
58
1
1
5-14
]
[
2020
20
1
1
879
]
[
2013
13
141
]
[
2018
16
2
2
55-64
]
[
2003
129
2
2
216-69
]
[
2016
10
1151-8
]