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Also , samples of serum were absorbed with the various solid - phase allergens and the reactivity of the remaining IgE antibodies was determined .
 GENE: IgE antibodies
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: IgE antibodies