Domingo, D High frequency of mutations at position 2144 of the 23S rRNA gene in clarithromycin-resistant Helicobacter pylori strains isolated in Spain. [electronic resource] - The Journal of antimicrobial chemotherapy May 1998 - 573-4 p. digital Publication Type: Letter ISSN: 0305-7453 Standard No.: 10.1093/jac/41.5.573 doi Subjects--Topical Terms: Amino Acid SubstitutionAnti-Bacterial Agents--pharmacologyClarithromycin--pharmacologyDrug Resistance, MicrobialHelicobacter pylori--drug effectsHumansMutationRNA, Bacterial--geneticsRNA, Ribosomal, 23S--geneticsSpain