1816-8949
1816-8949
S1816-89492021000300143
10.18004/anales/2021.054.03.143
Paraguay
00
12
2021
00
12
2021
54
3
143
150
[
2014
1
435-4 53
]
[
2005
58
553-62
]
[
1992
12
41-4
]
[
2020
171
156-60
]
[
2020
15
392-3400
]
[
2014
133
594-601
]
[
2002
24
129-32
]
[
2016
7
55
]
[
2013
96
555-9
]
[
1995
221
406-14
]
[
2020
7
834-7
]
[
2016
4
145-55
]
[
2012
3
72-80
]
[
1985
55
110-22
]
[
2016
37
328-32
]
[
2018
03
89-92
]
[
2020
3
1-14
]