1816-8949
1816-8949
S1816-89492018000200027
10.18004/anales/2018.051(02)27-036
Paraguay
Paraguay
Paraguay
Paraguay
00
08
2018
00
08
2018
51
2
27
36
[
2013
10
1
1
103-17
]
[
2011
3
26-34
]
[
2008
7
1
1
199-215
]
[
2010
12
2
2
1-21
]
[
2016
9
4
4
373-80
]
[
2008
15
33-41
]
[
2011
28
1
1
145-58
]
[
2009
3
1
1
23-8
]
[
2017
20
4
4
207
]
[
2012
8ª ed
]
[
2014
7
13
13
155-81
]
[
2005
Version 3.1
]
[
2010
6
1
1
97-109
]
[
2011
4
7
7
79-92
]
[
2013
13
42
]
[
1986
20
3
3
162-75
]
[
2003
67
3
3
87
]
[
2010
10
51
]
[
2001
51
468
468
559-64
]
[
1998
176
1
1
62-6
]
[
2003
131
9
9
1067-78
]
[
2006
3
2
2
89-94
]
[
1986
]
[
1981
]
[
2014
7
13
13
136-54
]
[
2010
3
6
6
92-102
]
[
2012
5
10
10
148-71
]
[
2008
3
6
6
486-506
]
[
2015
27
4
4
837-42
]
[
2008
8
5
5
306-14
]
[
2007
31
4
4
336-42
]
[
2007
31
2
2
153-7
]
[
2014
224
3
3
304-8
]
[
2006
4
3
3
390-5
]
[
2017
4
4
4
1066-70
]
[
2012
37
2
2
126-9
]
[
2008
1
2
2
2-22
]
[
2012
34
1
1
e1-8
]
[
2001
23
5
5
445-54
]
[
2010
34
4
4
192-6
]
[
2005
80
7
7
680-4
]
[
2005
133
10
10
1191-9
]
[
2003
73
Pt 3
Pt 3
357-72
]
[
2008
11
4
4
229-38
]
[
2000
12
4
4
615-22
]
[
2008
23
3
3
45-67
]
[
2016
19
1
1
19-26
]