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Figure 4. Squamous cell carcinoma of the mandible in a horse. Moderate to intense COX-2 expression in perinucelar cytoplasm and diffusely in cytoplasm of neoplastic epithelial cells. Avidin-biotin-peroxidase complex method. IHC by Dr. Sheree Beam for Dr. K. Rassnick lab, Dept. Clinical Sciences.
