1. Clinical features, prognosis, and response to treatment in polyarteritis;Cohen;Mayo Clin Proc,1980
2. Gastrointestinal complications of collagen vascular diseases;Matolo;Am J Surg,1971
3. Gastrointestinal manifestations of systemic vasculitis;Camilleri;Q J Med,1983
4. Vasculitis and the gut;Lie;J Rheumatol,1991
5. The gastrointestinal system;Foust,1992