1982-7806 1982-7806 S1982-78062017000300832 10.14393/che-v16n3-2017-17 Brazil 00 12 2017 00 12 2017 16 3 832 845

11 1 1 67-92 27 2 2 38-50 41 27 27 164-91 14 26 26 199-221