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   Chengshuo Wang et al, 2022, Allergy, Asthma & Immunology Research CrossRef
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   Jonathan H. Chen et al, 2023, Annals of Allergy, Asthma & Immunology CrossRef
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   Jonathan Matz et al, 2023, Annals of Allergy, Asthma & Immunology CrossRef
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   Sarah K. Wise et al, 2023, International Forum of Allergy & Rhinology CrossRef
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   Lei Ren et al, 2023, Allergy, Asthma & Clinical Immunology CrossRef
6. Comparison of adverse events between cluster and conventional immunotherapy for allergic rhinitis patients with or without asthma: A systematic review and meta-analysis
   Zihan Jiang et al, 2019, American Journal of Otolaryngology CrossRef