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Patients with an enzymatic activity below X - - 1 manifested a decrease of the content of IgA , IgG , IgM , T and B lymphocytes , and of phagocytic activity of neutrophils as compared to patients exhibiting a high enzymatic activity .
 GENE: IgA; GENE: IgG; GENE: IgM
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: IgA; GENE: IgG; GENE: IgM