2238-0094 2238-0094 S2238-00942015000300229 10.4025/rbhe.v15i3..717.3 Brazil 00 12 2015 00 12 2015 15 3 229 260

11 22 22 31-57 1 198-217 2 2 177-229 11 1 1 51-70 16 47 47 289-305 38 21-42 1 1 1 160-83