0102-4698 0102-4698 S0102-46982021000100145 10.1590/0102-469820852 Brazil Brasil 00 00 2021 00 00 2021 37

2020 23 205-14 2013 293-325 1985 2 2002 2004 613-61 2006 1973 1995 2005 PLATÃO 1991 a PLATÃO 1991 b 2001 1997 1992 19 135-64