1683-9803
1683-9803
S1683-98032017000300245
10.18004/ped.2017.diciembre.245-248
Paraguay
00
12
2017
00
12
2017
44
3
245
248
[
2006
31
410-6
]
[
2012
82
303-7
]
[
2017
53
6
6
886-94
]
[
2016
5
1
1
21-4
]
[
2012
32
4
4
535-54
]
[
2014
71
5
5
298-302
]
[
2016
7
3
3
]
[
2016
48
48
631-2
]
[
2009
2
1
1
]
[
2012
171
1269-71
]