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The impact of tiotropium on mortality and exacerbations when added to inhaled corticosteroids and long-acting β-agonist therapy in COPD.Short PM1, Williamson PA, Elder DH, Lipworth SI, Schembri S, Lipworth BJ. PMID:21799028Chest. 2012 Jan;…
The impact of tiotropium on mortality and exacerbations when added to inhaled corticosteroids and long-acting β-agonist therapy in COPD.Short PM1, Williamson PA, Elder DH, Lipworth SI, Schembri S, Lipworth BJ. PMID:21799028Chest. 2012 Jan;…