1984-6444 1984-6444 S1984-64442017000200347 10.5902/1984644422998 Brasil Brazil 00 08 2017 00 08 2017 42 2 347 360

29 1 1 17-32 13 37 37 45-56 21 21 61-74 16 59 59 297-308 16 641-62