Shirin Shafazand, MD, MS, FRCPC
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Shafazand S. Review: Anticholinergics, but not β2-agonists, reduce exacerbations requiring hospitalization and respiratory deaths in COPD. ACP J Club. 2007;146:19. doi: 10.7326/ACPJC-2007-146-1-019
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Published: ACP J Club 2007;146(1):19.
Copyright © 2017 American College of Physicians. All Rights Reserved.
Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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