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Müller, S; Lory, J; Corazza, N; Griffiths, G M; Z'graggen, K; Mazzucchelli, L; Kappeler, A; Müller, C (1998). Activated CD4+ and CD8+ cytotoxic cells are present in increased numbers in the intestinal mucosa from patients with active inflammatory bowel disease. American journal of pathology, 152(1), pp. 261-268. Elsevier
