0102-4698 0102-4698 S0102-46982016000300019 10.1590/0102-4698153607 Portugal 00 09 2016 00 09 2016 32 3 19 45

3 50 50 179-96 39 5 5 378-78 5 16-6 II. II 43-100 I 27-44 231-40