1. Incidence of Crohn's disease in Cardiff between 1934 and 1977;Mayberry, J.F.; Rhodes, J.; Hughes, L.E.;Gut,1979
2. Cardiff Crohn's disease jubilee: the incidence over 50 years;Rose, J.D.R.; Roberts, G.M.; Williams, G.; Mayberry, J.F.; Rhodes, J.;Gut
3. Crohn's disease in the City of Derby, 1951-1985;Fellows, I.W.; Freeman, J.G.; Holmes, G.K.T.;Gut,1990
4. An epidemiological study of regional enteritis in the Gloucester area;Tresadern, J.C.; Gear, M.W.L.; Nicol, A.;Br J Surg,1973
5. Changing patterns in epidemiology of Crohn's disease;Miller, D.S.; Keighley, A.C.; Langman, M.J.S.;Lancet,1974