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Activity of total cyclooxygenase (COX, U/mg sample), cyclooxygenase-1 isoform (COX-1, percentage of total COX activity) and cyclooxygenase-2 isoform (COX-2, percentage of total COX activity) per milligram tissue sample in healthy subjects (Control), in patients with Crohn’s disease (CD) and ulcerative colitis (UC).
