PT - JOURNAL ARTICLE ED - BMJ Publishing Group Ltd TI - A smoking cessation programme plus inhaled ipratropium improved survival in asymptomatic airway obstruction AID - 10.1136/ebm.10.5.143 DP - 2005 Oct 01 TA - Evidence Based Medicine PG - 143--143 VI - 10 IP - 5 4099 - http://ebm.bmj.com/content/10/5/143.short 4100 - http://ebm.bmj.com/content/10/5/143.full SO - Evid Based Med2005 Oct 01; 10