1. Extensive arterial and venous thrombosis complicating chronic ulcerative colitis;Bargen;Arch. Intern. Med. (Chicago),1936
2. Chronic ulcerative colitis. II. Complications outside the digestive tract;Jankelson;Rev. Gastroenterol.,1942
3. Complications of chronic non-specific ulcerative colitis;Ricketts;Gastroenterology,1946
4. Surgical measures as supplements to the management of idiopathic ulcerative colitis: cancer, cirrhosis and arthritis as frequent complications;Dennis;Surgery,1952
5. The course and prognosis of ulcerative colitis. Part III. Complications;Edwards;Gut,1964