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Ovalbumin (OVA) -specific immunoglobulin E (IgE) antibody levels in serum from mice receiving serum from donors fed either OVA or phosphate-buffered saline (PBS) followed by allergic sensitization of the recipient. OVA-specific IgE was measured with passive cutaneus anaphylaxis (PCA) in rats. One representative experiment out of three is shown.
