0102-5473 0102-5473 S0102-54732017000200481 10.5007/2175-795X.2017v35n2p481 Brazil Brazil Brazil 00 06 2017 00 06 2017 35 2 481 501

23 78 78 27 97 97 1.113-1.135 16 29 29 15-22 34 1 1 7-12 38 3 3 769-88 25 87 87