PT - JOURNAL ARTICLE AU - Sebastian L Johnston AU - Michael R Edwards TI - Mechanisms of adverse effects of β-agonists in asthma AID - 10.1136/thx.2009.119230 DP - 2009 Sep 01 TA - Thorax PG - 739--741 VI - 64 IP - 9 4099 - http://thorax.bmj.com/content/64/9/739.short 4100 - http://thorax.bmj.com/content/64/9/739.full SO - Thorax2009 Sep 01; 64