2177-6059 2177-6059 S2177-60592016000300629 10.18593/r.v41i3.10418 Brazil 00 09 2016 00 09 2016 41 3 629 647

18 36 36 11-32 40 40 126-44 4 6 6 29 105 105 1139-166 35 129 129 1241-259 8 2 2 185-206 23 80 80 136-67 14 40 40 18 33 33