RT Journal Article SR Electronic T1 Eosinophils best marker of steroid response JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 730 OP 730 DO 10.1136/thx.2010.144592 VO 66 IS 8 A1 Neil Martin A1 Chris E Brightling A1 Ian D Pavord YR 2011 UL http://thorax.bmj.com/content/66/8/730.2.abstract AB