1981-4690
1981-4690
S1981-46902014000400641
10.1590/1807-55092014000400641
Portugal
Portugal
00
12
2014
00
12
2014
28
4
641
649
[
255
556-59
]
[
4
281-88
]
[
38
569
569
]
[
21
192-99
]
[
43
121-26
]
[
48
330-53
]
[
44
147-57
]
[
3
280-85
]
[
20
237
237
]
[
34
854-64
]
[
4
95-9
]
[
4
183-89
]
[
58
]
[
61
1166-170
]
[
47
138-41
]
[
28
75-85
]
[
2
143-81
]
[
23
201-35
]
[
30
184-88
]
[
43
22-4
]
[
108
3017-022
]
[
26
503-21
]
[
46
20-7
]
[
26
27-33
]
[
32
1333-345
]
[
267
119-25
]
[
8
363-65
]
[
30
630-45
]
[
14
59-73
]
[
33
1017-024
]
[
7
435-42
]
[
228
447-51
]
[
17
154-66
]
[
27
1-6
]
[
24
379-90
]
[
30
572-82
]
[
3
287-99
]
[
20
413-23
]
[
19
154-58
]
[
32
581-91
]
[
4
190-94
]