the in vitro activities of amoxicillin , cefuroxime , ceftetrame , cefetamet , cefixime , tigemonam , erythromycin , roxithromycin , and dirithromycin against 30 clinical isolates of campylobacter pylori were determined by an agar dilution technique .
C0014806
erythromycin
C0035891
roxithromycin