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Antigen feeding before, but not after, skin sensitization suppresses asthma-like inflammatory response. Mice were administered a 1% OVA solution in drinking water for 5 consecutive days (days –7 to –2, Tol -7; or days 14 to 19, Tol 14). (A) Cell counts in BAL fluid. (B) Total and (C) OVA-specific serum IgE on D25. n = 4 mice per group from two independent experiments.
