title: To reg or not to reg: that is the question in COPD.
authors.forename: S
authors.initials: S
authors.lastname: Baraldo
authors.forename: M
authors.initials: M
authors.lastname: Saetta
mesh_terms: D006801:Humans; D007249:Inflammation / Q000503:physiopathology*; D029424:Pulmonary Disease, Chronic Obstructive / Q000276:immunology / Q000503:physiopathology; D012907:Smoking / Q000276:immunology*; D050378:T-Lymphocytes, Regulatory / Q000276:immunology*; D015854:Up-Regulation