title: Response to: impact of tiotropium on exacerbations versus glycopyrronium and QVA149.
authors.affiliation: a Pulmonary Rehabilitation , ICP Hospital , Milan , Italy.
authors.forename: Gian Galeazzo
authors.initials: GG
authors.lastname: Riario-Sforza
authors.affiliation: b University Department of Clinical and Experimental Medicine , Parma , Italy.
authors.forename: Erminia
authors.initials: E
authors.lastname: Ridolo
authors.affiliation: a Pulmonary Rehabilitation , ICP Hospital , Milan , Italy.
authors.forename: Edoardo
authors.initials: E
authors.lastname: Riario-Sforza
authors.affiliation: a Pulmonary Rehabilitation , ICP Hospital , Milan , Italy.
authors.forename: Cristoforo
authors.initials: C
authors.lastname: Incorvaia
mesh_terms: D001993:Bronchodilator Agents / Q000627:therapeutic use*; D006024:Glycopyrrolate / Q000627:therapeutic use*; D006801:Humans; D008168:Lung / Q000187:drug effects*; D018727:Muscarinic Antagonists / Q000627:therapeutic use*; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy*
chemical_list: D001993:Bronchodilator Agents; D018727:Muscarinic Antagonists; D006024:Glycopyrrolate