1816-8949
1816-8949
S1816-89492022000300064
10.18004/anales/2022.055.03.64
Paraguay
00
12
2022
00
12
2022
55
3
64
70
[
2007
89
4
4
780-5
]
[
2009
467
10
10
2606-12
]
[
1987
69
8
8
1144-9
]
[
1985
67
7
7
1074-85
]
[
2013
99
1
1
30-6
]
[
1994
298
298
119-26
]
[
1992
74
5
5
716-20
]
[
1994
9
1
1
33-44
]
[
2019
27
1
1
59-63
]
[
2014
28
4
4
]