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A recent paper shows that #SGRQ may not be an appropriate instrument to measure symptom severity or activity limitations in patients with #COPD. #IJCOPD @DovePress https://t.co/4QSRoMiehm
A recent paper shows that #SGRQ may not be an appropriate instrument to measure symptom severity or activity limitations in patients with #COPD. #IJCOPD @DovePress https://t.co/4QSRoMiehm