%0 Journal Article %T Levofloxacin-containing triple therapy versus bismuth-based quadruple therapy as regimens for second line anti- Helicobacter pylori %J Archive of "Caspian Journal of Internal Medicine". %D 2019 %R 10.22088/cjim.10.2.211 %X Although the prevalence of Helicobacter pylori infection decreased following the hygiene promotion and application of proper anti- H.pylori treatments, unfortunately gradual increase is reported in treatment failure; hence, application of a proper treatment regimen as a second-line therapy is of great importance %K Helicobacter pylori %K Second-line Therapy %K Levofloxacin-based triple therapy %K Bismuth-based quadruple therapy %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6619475/