RT Journal Article SR Electronic T1 Corticosteroid sparing agents in asthma. JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 577 OP 582 DO 10.1136/thx.50.5.577 VO 50 IS 5 A1 J M Hill A1 A E Tattersfield YR 1995 UL http://thorax.bmj.com/content/50/5/577.abstract AB