2177-6059 2177-6059 S2177-60592017000300613 10.18593/r.v42i3.13422 Brazil Brazil 00 12 2017 00 12 2017 42 3 613 634

3 1 1 61-9 24 2 2 29 79 79 1-7 39 138 138 1019-035