PT - JOURNAL ARTICLE AU - Persijn J Honkoop AU - Jacob K Sont TI - The number needed to treat provides additional insight on the performance of detection points of asthma exacerbations in self-management plans AID - 10.1136/thoraxjnl-2013-203853 DP - 2013 Nov 01 TA - Thorax PG - 1069--1070 VI - 68 IP - 11 4099 - http://thorax.bmj.com/content/68/11/1069.short 4100 - http://thorax.bmj.com/content/68/11/1069.full SO - Thorax2013 Nov 01; 68