1. Banks, B. M., Korelitz, B. I., andZetzel, L. The course of nonspecific ulcerative colitis: Review of twenty years experience and late results.Gastroenterology 32:983. 1957.
2. Crohn, B. B., Yarnis, H., Walter, R. I., Gabrilove, L. J., andCrohn, E. B. Ulcerative colitis as affected by pregnancy.New York J Med 56:2651, 1956.
3. Jacobs, W. H., andJanowitz, H. D. “The Digestive Tract.” InMedical, Surgical and Gynecologic Complications of Pregnancy Ed. 2. Rovinski, J. J., and Guttmacher, A. F., Ed. Williams and Wilkins, Baltimore, 1965, p 193.
4. Turnbull, R. B., Jr., Weakley, F. L., andFarmer, R. G. Heitis after colectomy and ileostomy for nonspecific ulcerative colitis. Report of 35 cases.Dis Colon Rectum 7:427, 1964.