8Laine L,Suchower L,Frantz J,et al. low rate of emergence of Clarithromy-cin- resistant Helicobacter pylori with amoxycillin co-therapy. Aliment Pharmaco Ther,1998,12:887-892.
9Cameron EA,Powell KU,Baldwin L,et al. Helicobacter pylori :antibiotic nesistance and eradication rates in Suffolk, UK, 1991-2001. J Med Microbiol,2004,53:535-538.
10Masuda H,Hiyama T,Yoshihara M,et al. Characteriscits and trends of clarithromycin-resistant Helicobacter pylori isolates in Japan over a decade.Pathobiology ,2004,71 : 159-163.
