00401nas a2200145   4500000000100000008004100001100001600042700001700058700001200075700001500087700001400102700001700116245011600133490000600249       2019                            d1 aS.H. Landis1 aJ.M. Pimenta1 aS. Yang1 aC. Compton1 aN. Barnes1 aG. Brusselle00aAssociation between blood eosinophils and acute exacerbation of COPD risk in patients with COPD in primary care0 v1