1816-8949
1816-8949
S1816-89492020000300033
10.18004/anales/2020.053.03.33
Paraguay
00
12
2020
00
12
2020
53
3
33
40
[
2020
91
264-6
]
[
2020
395
507-13
]
[
2020
395
497-506
]
[
2020
S0140-6736
20
20
30154-9
]
[
2020
]
[
2016
14
8
8
523-34
]
[
2020
]
[
2020
154
175-7
]
[
2020
382
970-1
]
[
2020
215
1-6
]
[
2020
35
]
[
2020
]
[
2020
]
[
2020
18
1-6
]
[
2020
]
[
2020
295
22-3
]
[
2020
]
[
2020
215
1-7
]
[
2020
]
[
2020
]
[
2007
]
[
2008
Cuarta Edición
]
[
2020
21
494-500
]
[
2020
]
[
2020
]
[
2020
2
e200067
e200067
]
[
2020
2
]
[
2020
]