Comparative Effects of Anti-Inflammatory Therapies on Olfactory Bulb Histopathology and Olfactory Function in a Rat Model of Experimental Allergic Rhinitis.

In olfactory bulb histopathology, significant improvements were observed in glomerular layer thickness, glomerular diameter, perivascular edema, mitral cell density, and microglial activation compared with the positive control group (p = 0.004, 0.007, 0.017, <0.001, and <0.001, respectively), whereas other parameters did not reach statistical significance ( Table 1 ; Supplementary Table S5 ; Supplementary Figures S2 and S3 ).

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