REFERENCES
- Abramson, D., Jankelson, I. R. & Milner, L. R. 1951. Pregnancy in idiopathic ulcerative colitis. Amer. J. Obstet. Gynec. 61, 121.
- de Dombal, F. T. 1967. The prognostic value of the serum proteins in ulcerative colitis. Brit. J. Surg. 54, 857.
- Flatmark, A., Fretheim, B. & Gjone, E. 1969. Early colectomy in severe ulcerative colitis. Scand. J. Gastroent. 4, 505.
- Goligher, J. C., de Dombal, F. T., Watts, J. McK. & Watkinson, G. 1968. p. 365 in Ulcerative Colitis. Bailliere Tindall & Cassel, London.