Helicobacter hepaticusHelicobacterHelicobacter InfectionsHelicobacter pyloriHepatitis, AnimalUreaseMice, Inbred ACecumLower Gastrointestinal TractHepatitisHepatitis, ChronicRodent DiseasesColitisDNA, BacterialAntibodies, BacterialGastritisLiver Neoplasms, ExperimentalPolymerase Chain ReactionMice, Inbred StrainsInterleukin-10Gastric MucosaFecesMolecular Sequence DataMice, Inbred C57BL