Figure 1From: Quantitative expression of osteopontin in nasal mucosa of patients with allergic rhinitis: effects of pollen exposure and nasal glucocorticoid treatmentImmunostaining for osteopontin in nasal biopsies. Representative pictures of immunostaining for osteopontin in nasal biopsies of allergic rhinitis patients (peak-season, placebo treated) (×400) in epithelium (A) and glands (B). Arrows indicate OPN staining.Back to article page