The Study About the Selection of Time for Retreatment of Helicobacter Pylori After Eradication Failure
Conditions
- Helicobacter Pylori Infection
Interventions
- DRUG: Amoxicillin,Furazolidone
- DRUG: Amoxicillin,Levofloxacin
- DRUG: Tetracycline,Furazolidone
Sponsor
Shandong University
Collaborators
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