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(A) Total and differential leukocyte cell counts in BALF collected from the rat lungs 24 hr after last ovalbumin challenge. Data represent means±SD (n=3–4). (B) Histological comparison of lung sections for infiltrated inflammatory cells after Hema-3 staining. A rat lung from each treatment group was fixed without collecting BALF for this experiment. *p<0.05; ***p<0.001.
