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Development of a quantifiable symptom assessment tool for patients with chronic bronchitis: the Chronic Bronchitis

David H Au1, David K Blough, Leonard Kirchdoerfer

  • 1Health Services Research and Development, VA Puget Sound Health Care System, 1660 S. Columbian Way, Seattle, Washington 98108, USA. dau@u.washington.edu

COPD
|December 2, 2006
PubMed

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