1816-8949
1816-8949
S1816-89492021000200025
10.18004/anales/2021.054.02.25
Paraguay
00
08
2021
00
08
2021
54
2
25
32
[
2012
26
7-12
]
[
2007
85
472-85
]
[
2009
93
949-53
]
[
2008
34
368-76
]
[
2017
43
892-7
]
[
2016
42
1490-500
]
[
2016
42
1157-64
]
[
2011
37
63-71
]
[
1990
16
333-40
]
[
1993
19
3
3
442-6
]
[
2010
36
11
11
1829-34
]
[
1988
14
1
1
17-24
]
[
1993
19
6
6
700-12
]
[
2003
41-57
]
[
2016
10
11
11
143-6
]
[
2015
133
1431-6
]
[
1993
19
11
11
713:720
]
[
2017
]