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RT @DrJ9378: Absence of airflow obstruction on spirometry: can it still be #COPD? A case report from @QueensRIU . . An FEV1/FVC <0.70 is…
RT @DrJ9378: Absence of airflow obstruction on spirometry: can it still be #COPD? A case report from @QueensRIU . . An FEV1/FVC <0.70 is…
RT @DrJ9378: Absence of airflow obstruction on spirometry: can it still be #COPD? A case report from @QueensRIU . . An FEV1/FVC <0.70 is…
Absence of airflow obstruction on spirometry: can it still be #COPD? A case report from @QueensRIU . . An FEV1/FVC <0.70 is not sine qua non in smokers with gas trapping (↑RV) and/or ↓DLCO and/or emphysema on CT (and/or impaired #CPET responses?) ht