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Reliability and validity of the clinical COPD questionniare and chronic respiratory questionnaire

Ayalu A Reda1, Daniel Kotz, Janwillem W H Kocks

  • 1Department of General Practice, CAPHRI School for Public Health and Primary Care, Maastricht University Medical Centre, Maastricht, The Netherlands.

Respiratory Medicine
|June 12, 2010
PubMed
Abstract

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