1. Regional ileitis;Crohn;JAMA,1932
2. Intraabdominal abscesses;Altmeier;Am J Surg,1973
3. Abscess and fistulae in Crohn's disease;Steinberg;Gut,1973
4. Crohn's disease, an inquiry into its nature and consequences;Edwards;Ann R Coll Surg Engl,1969
5. Crohn's disease of the colon;Greenstein;Am J Gastroenterol,1974