RT Journal Article SR Electronic T1 Evaluation of sputum eosinophil count as a predictor of treatment response to mepolizumab JF ERJ Open Research JO erjor FD European Respiratory Society SP 00560-2021 DO 10.1183/23120541.00560-2021 VO 8 IS 2 A1 Ian D. Pavord A1 Roland Buhl A1 Monica Kraft A1 Charlene M. Prazma A1 Robert G. Price A1 Peter H. Howarth A1 Steven W. Yancey YR 2022 UL http://openres.ersjournals.com/content/8/2/00560-2021.abstract AB