0103-6831 0103-6831 S0103-68312014000300050 10.1822/255920142856 Brazil Brazil 00 09 2014 00 09 2014 25 59 50 76

90 224 224 71-86 45 25-58 28 443-53 1 2 2 99-116 1 1 1 94-109 41 142 142 37 130 130 135-60 17 34 34 26 1 1 157-70