2238-2097 2238-2097 S2238-20972018000200405 10.29286/rep.v27i65/1.6588 Brazil 00 08 2018 00 08 2018 27 65 405 423

5 32 32 12-5 29 e 30 33-70 12 313-32 25 11 11 40-61 2 3 3 3-15 22 44 44 425-38 0 0 63-82