title: Treatment of perforated peptic ulcer; analysis of 50 operated cases at University of Minnesota Hospitals.
authors.forename: R N
authors.initials: RN
authors.lastname: HAMMERSTROM
mesh_terms: D006761:Hospitals; D006801:Humans; D010437:Peptic Ulcer; D010439:Peptic Ulcer Perforation
keywords: PEPTIC ULCER