1. Acute perforated gastroduodenal ulceration;De Bakey;Surgery,1940
2. Ruptured peptic ulcer among U. S. troops in Panama (report of 10 cases);Harrell;Mil. Surgeon,1945
3. Perforation of gastric and duodenal ulcers; series of 312 cases;Raw;Lancet,1944
4. Acute gastroduodenal perforation;Barber;Am. J. Surg.,1943
5. Late results of perforated peptic ulcer;Wakeley;Lancet,1944