1. Crohn's disease;Parks, A.G.; Morson, B.C.; Pegum, J.S.,1965
2. Cutaneous manifestations of Crohn's disease;Burgdorf, W.;J Am Acad Dermatol,1981
3. Dermatological manifestations of Crohn's disease;McCallum, D.I.; Kinmont, P.D.C.;Br J Dermatol,1968
4. Cutaneous ulceration in Crohn's disease;Mountain, J.C.;Gut,1970
5. Metastatic Crohn's disease of the umbilicus;Phillips, R.K.S.; Glazer, G.;Br Med J,1981