RT Journal Article SR Electronic T1 Is the neutrophil the key effector cell in severe asthma? JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 529 OP 530 DO 10.1136/thx.2005.043182 VO 60 IS 7 A1 A V Kamath A1 I D Pavord A1 P R Ruparelia A1 E R Chilvers YR 2005 UL http://thorax.bmj.com/content/60/7/529.abstract AB