1982-7806 1982-7806 S1982-78062019000200526 10.14393/che-v18n2-2019-14 Brazil Brasil 00 05 2019 00 05 2019 18 2 526 547

1960 2014 1977 1973 2001 1978 2007 5 2000 2010 1988 2016 2008 3 1925 1927 1925