1981-4690 1981-4690 S1981-46902016000200303 10.1590/1807-55092016000200303 Brasil Brasil 00 06 2016 00 06 2016 30 2 303 311

1 13 5-18 2 3 4 25 315-28 5 29 173-88 6 19 265-87 7 8 43-9 8 8 85-100 9 10 26 73-86 11 21 35-48 12 10 69-81 13 14 12 105-31 15 16 17 2 55-66 18 19 95-115 19 20 21 2 144-59 22