2238-0094 2238-0094 S2238-00942016000200311 10.4025/rbhe.v16i2.930 Brazil 00 06 2016 00 06 2016 16 2 311 341

14 27 27 201-33 10 17-41 164 393-424 13 95-127 32 114 114 69-89 1 166-81 esp esp 25-50 59 86-95 6 1 1 60-72 1 2 2 23-39 11 2 2 479-500