1676-2592 1676-2592 S1676-25922014000300494 10.0000/016v03n9p494 Brazil Brazil 00 09 2014 00 09 2014 16 3 494 512

25 87 87 423-60 23 80 80 136-67 3 2 2 24-59 100 100 11-36 26 92 92 753-75 2 2-3 2-3 29-39 25 25 127-42 3 3 57-79 23 61 61 283-301