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Comparison of T-IgE levels in BATposSPTneg and BATnegSPTneg atopic patients. The numbers of SPTneg atopic patients analyzed for T-IgE levels were 19 for cat, 24 for dog, 27 for D.pteronyssimus, 11 for Timothy, and 16 for birch. Significance of the difference between the two groups is given in the upper section of the plot.
