RT Journal Article SR Electronic T1 Clinical remission of asthma: what lies beyond? JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 5 OP 6 DO 10.1136/thx.2004.033480 VO 60 IS 1 A1 S Guerra YR 2005 UL http://thorax.bmj.com/content/60/1/5.abstract AB