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Numbers of eosinophils (a) and neutrophils (b) in bronchoalveolar lavage (BAL) from offspring following ragweed (RW) instillation into the lung at 28 weeks of age. *P < 0·05 versus non-sensitized and baseline values. #P < 0·05 versus all treatment groups [one-way analysis of variance (anova) with Tukey multiple comparison post-test].
