1683-9803
1683-9803
S1683-98032017000100049
10.18004/ped.2017.abril.49-55
Paraguay
Paraguay
00
04
2017
00
04
2017
44
1
49
55
[
2005
71
365-86
]
[
2004
20
1
1
]
[
2009
56
165-74
]
[
2010
38
3-10
]
[
Van den Berg JM.Van KE.Ahlin A
2009
4
e5234
]
[
2010
91
4
4
670-2
]
[
2010
44
291-9
]
[
1996
128
104-7
]
[
2008
2
2
2
26-30
]
[
2008
26
2-3
2-3
70-5
]
[
2007
35
3
3
83-9
]
[
2003
331
103-10
]
[
2011
58
2
2
120-5
]
[
2013
22
3
3
96-100
]
[
2003
111
374-9
]
[
2016
43
1
1
33-8
]
[
2000
79
155-69
]
[
2007
27
27
591:626l
]
[
2001
22
1
1
22-5
]
[
2005
2
3
3
36-9
]