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The COPD assessment test and St George's Respiratory Questionnaire | COPD @DovePress https://t.co/9jPEqoRDSJ
The COPD assessment test and St George's Respiratory Questionnaire | COPD @DovePress https://t.co/9jPEqoRDSJ
Equivalence study of CAT and SGRQ in COPD patients https://t.co/GDrhpFNaNe