Shivananda, S., Hordijk, M. L., Ten Kate, F. J. W., Probert, C. S. J., Mayberry, J. F. Differential diagnosis of inflammatory bowel disese. A comparison of various diagnostic classifications. Scand. J. Gastroenterol. 1991; 26: 1657–73.
Heaton, K. W., O’Donnell, L. J., Braddon, F. E. M., Mountford, R. A., Hughes, A. O., Cripps, P. J. Symptoms of irritable bowel syndrome in a British urban community: consulters and non-consulters. Gastroenterology 1992; 102: 1962–7.
Greenstein, A. J., Janowitz, H. D., Sachar, D. B. The extraintestinal manifestation of Crohn’s disease and ulcerative colitis: A study of 700 patients. Medicine 1976; 55:401–12.
Ballinger, A., Farthing, M. J. G. Ulcerative colitis complicated by Wenckebach atrioventricular block. Gut 1992; 33: 1427–9.
Camus, P., Piard, F., Ashcroft, T., Gal, A. A., Colby, T. V. The lung in inflammatory bowel disese. Medicine 1993; 72: 151–83.
Jewell, D. P. Aetiology and pathogenesis of ulcerative colitis and Crohn’s disease. Postgrad. Med. J. 1989; 65: 718–9.
Fiochhi, C. Immune events associated with inflammatory bowel disese. Scand. J. Gastroenterol 1990; 172 (suppl.): 4–12.