RT Journal Article SR Electronic T1 Restriction of LABA use to combination ICS/LABA inhaler therapy in asthma JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 119 OP 120 DO 10.1136/thoraxjnl-2012-202483 VO 68 IS 2 A1 Beasley, Richard A1 Fingleton, James A1 Weatherall, Mark YR 2013 UL http://thorax.bmj.com/content/68/2/119.abstract AB