RT Journal Article SR Electronic T1 Review: allergen specific immunotherapies reduce symptoms, medication requirements, and bronchial hyper-reactivity in asthma JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 114 OP 114 DO 10.1136/ebm.9.4.114 VO 9 IS 4 YR 2004 UL http://ebm.bmj.com/content/9/4/114.abstract AB