Differences in Virulence Markers between Helicobacter pylori Strains from Iraq and Those from Iran: Potential Importance of Regional Differences in H. pylori-Associated Disease

Nawfal R. Hussein, Marjan Mohammadi, Yeganeh Talebkhan, Masoumeh Doraghi, Darren P. Letley, Merdan K. Muhammad, Richard H. Argent and John C. Atherton

Journal of Clinical Microbiology 46 ( 5 ): 1774 - 1779 , 2008