%0 Journal Article %A Rabia Rashid %A Anthony J Frew %T Allergen-specific immunotherapy improves asthma symptoms compared with placebo, but the possibility of adverse effects should be considered %D 2011 %R 10.1136/ebm1144 %J Evidence Based Medicine %P 16-17 %V 16 %N 1 %U https://ebm.bmj.com/content/ebmed/16/1/16.full.pdf