The HOMER Study: the effect of increasing the dose of metronidazole when given with omeprazole and amoxicillin to cure Helicobacter pylori infection. - Bardhan K; Bayerdörffer E; Veldhuyzen Van Zanten SJ; Lind T; Mégraud F; Delchier JC; Hellblom M; Stubberöd A; Burman CF; Gromark P; Zeijlon L (Helicobacter, 2000)