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Vagally-induced bronchoconstriction on day 3 in ovalbumin-sensitized (S) and nonsensitized guinea pigs pretreated with AbIL-5 and exposed to 2 ppm ozone or filtered air for 4 hours. (A) Nonsensitized: filtered air (n = 9), ozone (n = 7), or ozone with AbIL-5 (n = 3); (B) Sensitized: filtered air (n = 5), ozone (n = 5), or ozone with AbIL-5 (n = 4). Data are mean ± SEM. Brackets show comparisons: * = P < 0.05 by repeated measures two-way ANOVA.
