title: Reply from the author: erratum and discussion on anti-oxidant enzymes.
authors: Pulmonary Division, Heart Institute (Incor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, Brazil.
authors: Gustavo Faibischew
authors: GF
authors: Prado
authors: Pulmonary Division, Heart Institute (Incor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, Brazil.
authors: Mário
authors: M
authors: Terra-Filho
authors: Pulmonary Division, Heart Institute (Incor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, Brazil.
authors: Ubiratan
authors: U
authors: de Paula Santos
mesh_terms: D006801:Humans; D008168:Lung / Q000503:physiopathology*; D008297:Male; D016273:Occupational Exposure / Q000009:adverse effects*; D018384:Oxidative Stress / Q000502:physiology*; D052638:Particulate Matter / Q000009:adverse effects*; D011721:Pyrenes / Q000652:urine*; D031786:Saccharum
chemical_list: D052638:Particulate Matter; D011721:Pyrenes
keywords: Catalase; Metals; Oxidative stress; Particulate matter; Pollution