PT - JOURNAL ARTICLE AU - Simon Bowler AU - David Serisier TI - Single maintenance and reliever therapy AID - 10.1136/thx.2010.150219 DP - 2011 Jan 01 TA - Thorax PG - 87--87 VI - 66 IP - 1 4099 - http://thorax.bmj.com/content/66/1/87.1.short 4100 - http://thorax.bmj.com/content/66/1/87.1.full SO - Thorax2011 Jan 01; 66