Group 1—PAC7 (82 percent eradication)
All agents taken for seven days:
	Pantoprazole, 40 mg twice daily
	Amoxicillin, 1000 mg twice daily
	Clarithromycin, 500 mg twice daily
Group 2—PBTM7 (88 percent eradication)
All agents taken for seven days:
	Pantoprazole, 40 mg twice daily
	Bismuth subcitrate, 108 mg four times daily
	Tetracycline, 500 mg four times daily
	Metronidazole, 200 mg three times daily and 400 mg at night
Group 3—BTM14 (74 percent eradication)
All agents taken for 14 days:
	Bismuth subcitrate, 108 mg four times daily
	Tetracycline, 500 mg four times daily
	Metronidazole, 200 mg three times daily and 400 mg at night