Measuring respiratory symptoms in moderate/severe asthma: evaluation of a respiratory symptom tool, the E-RS®: COPD in asthma populations
Abstract Background Symptom constructs included in the Evaluating Respiratory Symptoms in Chronic Obstructive Pulmonary Disease (E-RS®: COPD) tool may be relevant to patients with asthma. The purpose of this study was to evaluate content validity and psychometric performance of the E-RS: COPD in mod...
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| Main Authors: | , , , , , , , , , |
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| Format: | Book |
| Published: |
SpringerOpen,
2021-10-01T00:00:00Z.
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| Online Access: | Connect to this object online. |
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