证据
- Do misoprostol, H2-receptor antagonists, or proton pump inhibitors used for at least 12 weeks prevent upper gastrointestinal ulcers in patients requiring chronic NSAID use?
- Is there randomized controlled trial evidence to support the use of eradication therapy for healing peptic ulcer disease in Helicobacter pylori positive patients?
- Is there randomized controlled trial evidence to support the continuation of eradication therapy for preventing recurrence of peptic ulcer disease in previous Helicobacter pylori positive patients?
- Is there randomized controlled trial evidence to determine the optimum duration of triple therapy (proton pump inhibitor and two antibiotics) for Helicobacter pylori eradication?
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