0104-026x 0104-026x S0104-026x2019000200807 10.1590/1806-9584-2019v27n265259 Brazil 00 00 2019 00 00 2019 27 2 2003 1979 1993 2000 1976 1975 157-210 1984 267-319 2018 120 4 dez 4 852-3 2018 13 1 1 247-88 2016 19 2 jul./dez 2 117-25 1984 2002