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This study was performed to assess symptom variability and its impact on morning activities in stable patients with severe COPD in the Middle East and Africa (MEA) countries.

international journal of chronic obstructive pulmonary disease/international journal of copd

&lt;p&gt;A Cross-Sectional Study in Patients with Severe COPD to Assess the Perception of Symptom Variability (COPVAR) in the Middle East and Africa&lt;/p&gt;