%0 Journal Article %T Hepatitis B Surface Antigen Could Contribute to the Immunopathogenesis of Hepatitis B Virus Infection %A Yasuteru Kondo %A Masashi Ninomiya %A Eiji Kakazu %A Osamu Kimura %J ISRN Gastroenterology %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/935295 %U http://dx.doi.org/10.1155/2013/935295