2317-0972 2317-0972 S2317-09722016000100111 10.5965/0102-387Xv34n662016124 Brazil 00 06 2016 00 06 2016 34 66 111 124

1 33 33 209­222-209­222 9 9 103-15 10 2 2 197-210 34 2 2 316-73 1 24 24 119-44 5 1 1 9-20