PT - JOURNAL ARTICLE ED - , TI - Review: pressurised metered dose inhalers are as effective as other hand held inhalers for β<sub>2</sub> agonist bronchodilator use in asthma AID - 10.1136/ebm.7.3.79 DP - 2002 May 01 TA - Evidence Based Medicine PG - 79--79 VI - 7 IP - 3 4099 - http://ebm.bmj.com/content/7/3/79.short 4100 - http://ebm.bmj.com/content/7/3/79.full SO - Evid Based Med2002 May 01; 7