Characteristics and trends in macrolide resistance among Helicobacter pylori strains isolated in Bulgaria over four years.
Boyanova L, Spassova Z, Krastev Z, +5 more·Diagnostic microbiology and infectious disease
Macrolide resistance trends were examined among Helicobacter pylori strains from 154 patients between 1994 and 1998. Applicabilities of screening agar method (SAM) and modified disk diffusion method (MDDM) were evaluated. Overall primary resistance rates to erythromycin and clarithromycin were 14.8% and 8.7%, respectiv…