title: [Combination of pulmonary fibrosis and emphysema: Is tobacco once again the protagonist?].
authors.forename: Karina
authors.initials: K
authors.lastname: Portillo Carroz
authors.forename: Juan
authors.initials: J
authors.lastname: Roldán Sánchez
mesh_terms: D006801:Humans; D011656:Pulmonary Emphysema / Q000209:etiology*; D011658:Pulmonary Fibrosis / Q000209:etiology*; D012907:Smoking / Q000009:adverse effects*