Helicobacter pylori infection in perforated peptic ulcer disease.
Patel
A G
AG
Price
S J
SJ
Reber
P U
PU
D016481:Helicobacter Infections / Q000188:drug therapy*; D016480:Helicobacter pylori; D006801:Humans; D010439:Peptic Ulcer Perforation / Q000601:surgery*