RT Journal Article SR Electronic T1 DYSFUNCTIONAL BREATHING IN ASTHMA: IS IT COMMON, IDENTIFIABLE AND CORRECTABLE? JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP ii31 OP ii35 DO 10.1136/thorax.57.suppl_2.ii31 VO 57 IS suppl 2 A1 M D L Morgan YR 2002 UL http://thorax.bmj.com/content/57/suppl_2/ii31.abstract AB