1. The Natural History of Disease;Ryle,1948
2. Post-mortem arteriography of the normal stomach;Wagstaff;Gastroenteroogy,1953
3. Duodenal Ulcer;Moynihan,1910
4. Notes on gastric and duodenal ulcers;Graham;Boston M. & S. J.,1915
5. A statistical enquiry into the etiology, symptoms, signs and results of treatment in 166 cases of gastric and duodenal ulcer;Barford;Guy's Hosp. Rep.,1928