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Helicobacter pylori Suppresses Serum Immunoglobulin Levels in Smokers with Peptic Ulcer: Probable Interaction Between Smoking and H. pylori Infection in the Induction of Th1 Predominant Immune Response and Peptic Ulceration

Written By

Yoshihiro Matsukawa and Kimitoshi Kato

Submitted: November 14th, 2010 Published: November 4th, 2011

DOI: 10.5772/21507

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Written By

Yoshihiro Matsukawa and Kimitoshi Kato

Submitted: November 14th, 2010 Published: November 4th, 2011