1. Mills PR, Behan WM, Watkinson G. Hemorrhage from colonic varices associated with portal hypertension. Br J Clin Pract 1980; 34:351.
2. Hamlyn AN, Lunzer MR, Morris JS, et al. Portal hypertension with varices in unusual sites. Lancet 1974;2:1531–4.
3. Royal HD, Papanicolau N, Bettmann M, McNeill BJ. Scintigraphic identification of bleeding duodenal varices: a case report. Am J Gastroenterol 1980;74:173–5.
4. Izsak EM, Finlay JM. Colonic varices: three case reports and review of the literature. Am J Gastroenterol 1980;73:131–6.
5. Feldman M, Smith VM, Warner CG. Varices of the colon. JAMA 1962;179:729–30.