academic.oup.com/jac/article-pdf/37/3/473/1939483/37-3-473.pdf

(Graham et al., 1992), and especially metronidazole resistance in the ..... to clarithromycin (Jonas et al., 1993), but was in contrast to those by Logan el al. ... modification of A2058 (domain V) of the 23S rRNA by an adenine-specific methylase.