1. Holvoet (,. Sulphasalazine-induced lupus-like syndrome with cardiac tamponade in a patient with ulcerative colitis;Deboever, G.; Devogelaere, R.;AmjGastroenterol,1989
2. Pericardial effusion during treatment with 5-aminosalicylic acid in a patient with Crohn's disease. Am3';Jenss, H.; Becker, E.W.; Weber, P.;Gastroenterol,1990