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2. Granulomatous vasculitis in Crohn's disease;Wakefield, A.J.; Sankey, E.A.; Dhillon, A.P.; Sawyerr, A.M.; More, L.; Sim, R.;Gastroenterology,1991
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4. Extensive arterial and venous thrombosis complicating chronic ulcerative colitis;Bargen, J.A.; Barker, N.W.;Arch Intern Med
5. Vascular complications of inflammatory bowel disease;Talbot, R.W.; Heppell, J.; Dozois, R.R.; Beart, R.W.