An B, Moon BS, Kim H, Lim HC, Lee YC, Lee G, Kim SH, Park M, Kim JB
BACKGROUND: Clarithromycin, amoxicillin, metronidazole, tetracycline, and levofloxacin have been commonly used for the eradication of Helicobacter pylori. We compared the change in antibiotic resistance of H. pylori strains during two...