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. Author manuscript; available in PMC: 2020 Mar 1.
Published in final edited form as: J Allergy Clin Immunol. 2018 Jun 1;143(3):1100–1107.e11. doi: 10.1016/j.jaci.2018.05.019

Figure 1.

Figure 1

Criteria for classification of sera as containing functional auto-antibodies to FceRI or IgE. ‘drugs’ = 3 IgE-pathway-specific drugs, ‘xdesn’ = cross-desensitization with known aggregating anti-IgE Ab, ‘NR’ inability to stimulate basophils of the non-releasing phenotype.