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Average baseline fiber activities (FA) before and after acute Ova challenge in anesthetized, open-chest, and artificially ventilated rats. Baseline FA was averaged over 60 s in each fiber before and 5–15 min after acute Ova inhalation challenge (3%, 5 min). Values are means ± SE. Open bars, control rats (n = 12); filled bars, sensitized rats (n = 11). imp/s, Impulses per second. *P < 0.05 and **P < 0.01, significantly different between corresponding data in control and sensitized rats.
