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Comparison of COX-1 (A) and COX-2 (B) mRNA in young chickens (40–50 weeks, n = 6), age-matched normal chickens (165 months, n = 12) and chickens with ovarian cancer (165 weeks, n = 19), quantified by real-time PCR. COX-1 and COX-2 mRNA by copy number, normalized to GAPDH. a versus b (P < 0.05) (±SEM)
