1. Ulcerative colitis in the U. S. Army in 1944: epidemiology: comparisons between patients and controls;Acheson, E.D.; Nefzger, M.D.;Gastroenterology,1963
2. Non-specific ulcerative colitis with reference to mortality, morbidity, complicatons and long term survival after colectomy;Bacon, H.E.; Ouyang, L.M.; Carroll, P.T.; Cates, B.A.; Villalba, G.; McGregor, R.A.;Amer. J. Surg,1956
3. Chronic ulzerative colitis complicated by malignant neoplasi3;Bargen, J.A.;Arch. Surg,1928
4. Carcinoma and ulcerative colitis: prognosis;Bargen, J.A.; Gage, R.P.;Gastroenterology,1960
5. The development of cancer in chronic ulcerative colitis;Sauer, W.G.; Sloan, W.P.; Gage, R.P.;Ibid,1954