1. Regional ileitis; a pathological and clinical entity;Crohn, B.B.; Ginzberg, L.; Oppenheimer, G.D.;J Am Med Ass
2. Chronic interstitial enteritis;Dalziel, T.K.;Br MedJ
3. Incidence of Crohn's disease in Cardiff between 1934 and 1977;Mayberry, J.F.; Rhodes, J.; Hughes, L.E.;Gut,1979
4. Has the incidence of Crohn's disease reached a plateau?;Harries, A.D.; Baird, A.; Rhodes, J.; Mayberry, J.F.;Br Med J; 284: 235. Cardiff Crohn's disease jubilee: the incidence overSO years,1982
5. Crohn's disease in Stockholm County 1955-74: a study of epidemiology, results of surgical treatment and long-term prognosis;Hellers, G.K.G.;Acta Chir Scand,1979