RT Journal Article SR Electronic T1 Asthma admissions, smoking bans and administrative databases JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 1166 OP 1166 DO 10.1136/thoraxjnl-2013-204183 VO 68 IS 12 A1 Kent, Brian D A1 Lane, Stephen J A1 Moloney, Edward D YR 2013 UL http://thorax.bmj.com/content/68/12/1166.1.abstract AB