0104-7043 0104-7043 S0104-70432016000200089 10.2015/01047043v25n462016089 Brasil Brazil 00 05 2016 00 05 2016 25 46 89 104

24 6 6 1229-238 30 107 107 349-72 22 6 6 676-87 47 281-93 16 8 8 3393-402