Additional file 1 of Relationship between serum inhibitory activity for IgE and efficacy of Artemisia pollen subcutaneous immunotherapy for allergic rhinitis: a preliminary self-controlled study WangWenping YinJinshu WangXueyan MaTingting LanTianfei SongQingkun GuoYifan 2020 Additional file 1. It includes the introduction of allergen extract and the best concentration of allergen extract in ELIFAB and the pollen data of Beijing from August 1st to September 29th of each year from 2015 to 2018.