2177-6059 2177-6059 S2177-60592015000300193 10.18593/r.v40i0.8920 Brazil Brazil 00 12 2015 00 12 2015 40 esp 193 214

7 1 1 11-22 29 78 78 201-15 50 36 36 73-98 39 2 2 359-90 16 2 2 269-81