1816-8949
1816-8949
S1816-89492022000200112
10.18004/anales/2022.055.02.112
Paraguay
00
08
2022
00
08
2022
55
2
112
117
[
2016
29
134-40
]
[
2005
80
301-4
]
[
2003
82
50-2
]
[
2017
39
59-61
]
[
2001
12
251
]
[
2004
70
850-4
]
[
2011
62
363-6
]
[
2012
129
125-30
]
[
2016
67
33-9
]
[
2005
63
535-8
]
[
2015
]