1983-2117 1983-2117 S1983-21172013000300053 10.1590/1983-21172013150304 Brazil Brazil 00 12 2013 00 12 2013 15 3 53 71

355 8-9 2 2 2 20 35 35 201-28 3 ed. 4 3 3 41 ed. 5 ed. 9. ed. 12 34-8 21 ed. 7 ed. 9 2 2 191-210 13 9-