5Dore MP, Graharn DY, Sepulveda AR, et al. Different penicillin-binding protein profiles in amoxicillin-resistant Helicobacter pylori[J]. Helicobacter. 1999,4:154-161.
6Crone J, Granditsch G, Huber WD, et al. Helicobacter pylori in children and adolescents: increase of primary clarithromycin resistance, 1997-2000[J]. J Pediatr Gastroenterol Nutr. 2003,36:368-371.
7Jenks PJ, Ferrero R, Labigne A. The role of the rdxA gene in the evolution of metronidazole resistance in Helicobacter pylori[J]. J Antimicrob Chemother, 1999 ,43:753-758.
2John CA, Cao P, Richard MP, et al. Mosaicism in vacuolating cytotoxin alldes of Helicobacter pylori[J]. J Bio Che, 1995,270(30) : 17771-- 17777.
3Borody T, Ren Z, Pang G, et al. Impaired host immunity contributes to Helicobacter pylori eradication failure[ J]. Am J Gastroenterol,2002 ,Dec,97(12) :3032-7.
4Matysiak-Budnik T, Heyman M, Candalh C, et al. In vitro transfer of clarithromycin and amoxicillin across the epithelial barrier: effect of Helicobacter Pylori [ J ]. J Antimicrob Chemother,2002, Dec,50(6) : 865 -72.
5Pilotto A, Salles N. Helicobacter pylori infection in geriatrics [ J ]. Helicobacter, 2002,7 Suppll : 56 - 62.
6Ling TKW, Cheng AFB, Sung JY, et al. An increase in Helicobacter pylori strains resistant to metronidazole: a five-year study[J].Helicobacter., 1996, 1: 57--61.
7Vakil N, Hahn B, MeSorley D. Chrithromye'm resistant Helicobacter pylori in patients with duodenal ulcer in United States[J].Am J Gastroenterol, 1998, 93:1432-1435.
8Dore MP, Graham DY, Sepulveda AR. Different penicillin-binding protein profiles in amoxicillm resistant Helicobacter pylori[J ]. Helicobacter, 1999,4: 154 - 161.
