title: Perforated peptic ulcer: "developing" world versus "developed" world.
authors.affiliation: HaEmek Medical Center, Afula, Israel. kopelmand@bezeqint.net
authors.forename: Doron
authors.initials: D
authors.lastname: Kopelman
mesh_terms: D003906:Developing Countries; D016481:Helicobacter Infections / Q000150:complications; D016480:Helicobacter pylori; D006801:Humans; D010439:Peptic Ulcer Perforation / Q000382:microbiology / Q000401:mortality / Q000601:surgery