PT - JOURNAL ARTICLE AU - Daniel R Morales TI - Prescribing of β-adrenoceptor antagonists in asthma: an observational study AID - 10.1136/thx.2010.149286 DP - 2011 Mar 01 TA - Thorax PG - 269--269 VI - 66 IP - 3 4099 - http://thorax.bmj.com/content/66/3/269.short 4100 - http://thorax.bmj.com/content/66/3/269.full SO - Thorax2011 Mar 01; 66