1983-2117 1983-2117 S1983-21172017000100468 10.1590/1983-21172017190013 Brazil Brazil 00 12 2017 00 12 2017 19 468 489

18 3 3 507-26 30 30 34-41 1 8 8 2100-110 14 2 2 155-63 35 264-71 17 1 1 155-76 15 3 3 497-518 11 3 3 323-41 82 10 10 1513-518