PT - JOURNAL ARTICLE AU - Rabia Rashid AU - Anthony J Frew TI - Allergen-specific immunotherapy improves asthma symptoms compared with placebo, but the possibility of adverse effects should be considered AID - 10.1136/ebm1144 DP - 2011 Feb 01 TA - Evidence Based Medicine PG - 16--17 VI - 16 IP - 1 4099 - http://ebm.bmj.com/content/16/1/16.short 4100 - http://ebm.bmj.com/content/16/1/16.full SO - Evid Based Med2011 Feb 01; 16