Combination Long-Acting β-Agonists and Inhaled Corticosteroids Compared With Long-Acting β-Agonists Alone in Older Adults With Chronic Obstructive Pulmonary Disease

Andrea S. Gershon(University of Toronto), Thérèse A. Stukel(University of Toronto), Matthew B. Stanbrook(University Health Network), Michael A. Campitelli(Mount Sinai Hospital), Teresa To(M S Swaminathan Research Foundation), Anne L. Stephenson(St. Michael's Hospital), Ross Upshur(University of Toronto), Ruth Croxford(University of Toronto)
JAMA
September 16, 2014
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