1. A review of 300 patients with haematemesis or melaena;Cates, J.E.;Brit. med. J,1959
2. Factors in the prognosis of bleeding chronic gastric and duodenal ulcers;Coghill, N.F.; Willocx, R.G.;Quart. J. med,1960
3. Five year follow-up study of patients with bleeding duodenal ulcer with and without surgery;Donaldson, R.M.; Handy, J.; Papper, S.;New Engl. J. Med,1958
4. Haematemesis, with special reference to peptic ulcer;Fraenkel, G.J.; Truelove, S.C.;Brit. med. J,1955
5. The massively bleeding duodenal ulcer with special reference to crater;Gardner, B.; Baronofsky, I.D.;Surgery,1959