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Figure 2 RT‐PCR (106 cDNA molecules/μg total RNA) and Western blot analysis (densitometric ratio between protein and β‐actin) of COX‐2 in CF nasal polyps, non‐CF nasal polyps, and nasal mucosa. Box plots show the 25th, 50th (median), and 75th percentile values. Whiskers show the minimum and maximum values. CF, cystic fibrosis.
