1. Aylett, S. O.: Surgery of the Caecum and Colon. Edinburgh, E. & S. Livingstone, Ltd., 1954, 295 pp.
2. Babcock, W. W., and K. C. Jonas: Hemangioma of the colon. Amer. J. Surg.80: 854, 1950.
3. Brown, A. J.: Vascular tumors of the intestine. Surg. Gynec. Obstet.39: 191, 1924.
4. Figliolini, F. J., D. E. Cutait, M. R. de Oliveira, and E. daS. Bastos: Rectosigmoidal hemangioma: Report of two cases. Dis. Colon Rectum.4: 349, 1961.
5. Gabriel, W. B.: The Principles and Practice of Rectal Surgery. Ed. 5, Springfield, Charles C Thomas, 1963, 739 pp.