1816-8949
1816-8949
S1816-89492022000300117
10.18004/anales/2022.055.03.117
Paraguay
00
12
2022
00
12
2022
55
3
117
121
[
2011
8
]
[
2018
25
1
1
]
[
2009
60
3
3
210-2
]
[
2002
4
4
8
]
[
2010
4
]
[
2010
]
[
2016
27
1
1
22-8
]
[
2008
27
6
6
466-74
]
[
2018
51
6
6
1051-75
]
[
2018
51
6
6
1077-92
]
[
2008
34
3
3
185-200
]