1981-5271
1981-5271
S1981-52712014000400502
10.1590/S0100-55022014000400012
Brazil
00
10
2014
00
10
2014
38
4
502
511
[
5
8
8
161-66
]
[
13
13
13
]
[
93
265-302
]
[
13
2-9
]
[
35
4
4
557-66
]
[
8
22-8
]
[
33
1
1
19-34
]
[
38
4
4
438-47
]
[
35
2
2
254-62
]
[
40
4
4
563-69
]
[
49
4
4
584-95
]
[
98
1
1
76-83
]
[
33
221-29
]
[
35
1
1
20-5
]
[
9
6
6
13-8
]