Pfaar, Oliver Sublingual allergen immunotherapy with a liquid birch pollen product in patients with seasonal allergic rhinoconjunctivitis with or without asthma. [electronic resource] - The Journal of allergy and clinical immunology 03 2019 - 970-977 p. digital Publication Type: Clinical Trial, Phase III; Journal Article; Multicenter Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 1097-6825 Standard No.: 10.1016/j.jaci.2018.11.018 doi Subjects--Topical Terms: AdolescentAdultAgedAllergens--immunologyAntigens, Plant--immunologyAsthma--therapyBetula--immunologyConjunctivitis, Allergic--therapyDouble-Blind MethodFemaleHumansMaleMiddle AgedPollen--immunologyRhinitis, Allergic, Seasonal--therapySublingual Immunotherapy--adverse effectsTreatment OutcomeYoung Adult