title: Chronic obstructive pulmonary disease: time to discuss new concepts.
authors.affiliation: Internal Medicine, Medical School of Ribeirão Preto, University of São Paulo, Ribeirão Preto, 14048-900 SP, Brazil. Electronic address: baddini@fmrp.usp.br.
authors.forename: Jose
authors.initials: J
authors.lastname: Baddini-Martinez
authors.affiliation: Internal Medicine, Medical School of Ribeirão Preto, University of São Paulo, Ribeirão Preto, 14048-900 SP, Brazil.
authors.forename: Adriana I
authors.initials: AI
authors.lastname: de Pádua
mesh_terms: D006801:Humans; D008173:Lung Diseases, Obstructive / Q000145:classification*; D012720:Severity of Illness Index; D014028:Tobacco Smoke Pollution / Q000009:adverse effects*
chemical_list: D014028:Tobacco Smoke Pollution