RT Journal Article SR Electronic T1 Eosinophils, allergy and asthma JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 981 OP 981 DO 10.1136/thx.45.12.981-a VO 45 IS 12 A1 RWF YR 1990 UL http://thorax.bmj.com/content/45/12/981.2.abstract AB