1982-596x 1982-596x S1982-596x2014000300263 10.6801/201412esp016 Brazil 00 09 2014 00 09 2014 28 1es 263 282

13 2 2 256-68 3 2 2 24-59 21 38 38 8-26 42 1 1 61-82 13 234-55 16 33 121 121 30 108 108 779-98