PT - JOURNAL ARTICLE ED - , TI - Review: addition of salmeterol leads to improved lung function and fewer exacerbations in symptomatic asthma AID - 10.1136/ebn.4.1.15 DP - 2001 Jan 01 TA - Evidence Based Nursing PG - 15--15 VI - 4 IP - 1 4099 - http://ebn.bmj.com/content/4/1/15.short 4100 - http://ebn.bmj.com/content/4/1/15.full SO - Evid Based Nurs2001 Jan 01; 4