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Serum levels of (A) total IgE, (B) OVA-specific IgE, (C) OVA-specific IgG1, and (D) OVA-specific IgG2a were determined by ELISA. Each value represents the mean ± SD, (n = 8). A difference between K37 groups and OVA group was considered statistically significant when P<0.05 (*) and P<0.01 (**).
