1983-2117 1983-2117 S1983-21172014000300095 10.1590/1983-21172014160305 00 09 2014 00 09 2014 16 3 95 120

23 4 4 444-57 70 3 3 260-65 I II 5(1) 7-13 70 3 3 266-71