
Defining the Asthma-COPD Overlap Syndrome in a COPD Cohort
Keywords: asthma; COPD; eosinophils; 6MWD; 6-min walking distance; ACOS; asthma-COPD overlap syndrome; BODE; BMI, airflow obstruction, dyspnea, and exercise; CAT; COPD Assessment Test; CHAIN; COPD History Assessment in Spain; Dlco; diffusion capacity for carbon mon