| [regional difference of antibiotic resistance of helicobacter pylori strains in korea.] | background/aims: this study was performed to compare the prevalence rates of primary antibiotic resistance in helicobacter pylori (h. pylori) isolates among different regions of korea. methods: h. pylori were isolated from gastric mucosal biopsy specimens of 99 koreans who lived in gyeonggi (n=40), kangwon province (n=40) and busan (n=19) from april to august in 2008. all the patients had no history of h. pylori eradication therapy. the susceptibilities of the h. pylori isolates to amoxicillin, ... | 2011 | 21519175 |