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Original Research
Impact of frequency of COPD exacerbations on pulmonary function, health status and clinical outcomes
A Anzueto1 The University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, Audie L Murphy Division, San Antonio, Texas, USACorrespondence[email protected]
, I Leimer2 Boehringer Ingelheim, Ridgefield, Connecticut, USA
& S Kesten3 Boehringer Ingelheim GmbH, Ingelheim, Germany
Pages 245-251
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Published online: 24 Jun 2009
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