Gastrointestinal DiseasesInflammationGastroenterologyGastrointestinal TractEnterocolitis, NecrotizingClostridium perfringensDyspepsiaIrritable Bowel SyndromeFecesDiarrheaInflammatory Bowel DiseasesHelicobacter InfectionsProbioticsSan MarinoEnterocolitisEnteritisHelicobacter pyloriEndoscopy, GastrointestinalPeptic UlcerCrohn DiseaseGastritisColonic Diseases, FunctionalGastroenteritisGastrointestinal AgentsIntestinal MucosaIntestinal DiseasesCalculiChronic DiseaseCeliac DiseaseClostridium InfectionsStomach DiseasesExocrine Pancreatic InsufficiencyColitis, UlcerativeIntestinesIntubation, GastrointestinalGastrointestinal NeoplasmsGastric MucosaInflammation MediatorsFoodborne DiseasesDuodenal UlcerDuodenal DiseasesGastrointestinal MotilityStomach UlcerPancreatic DiseasesCampylobacter jejuniEosinophiliaGastric JuiceColonDigestive SystemEnterotoxinsDisease Models, AnimalClostridium difficileStomach NeoplasmsGiardiasisGastroesophageal RefluxCampylobacter InfectionsStomachBiopsyLiver DiseasesDuodenumDog DiseasesCase-Control StudiesPolymerase Chain ReactionJejunumBacterial ToxinsEndoscopySensitivity and SpecificityRisk FactorsBacterial ProteinsEvaluation Studies as TopicPrevalenceCytomegalovirus InfectionsMice, Inbred C57BLVirulence FactorsCytokinesDisease OutbreaksRetrospective StudiesIntestine, SmallAntigens, BacterialProspective StudiesDNA, BacterialMolecular Sequence DataWater MicrobiologyInterleukin-6Time FactorsIntestinal AbsorptionMice, KnockoutGenotypeInfant, NewbornAnti-Inflammatory AgentsQuestionnairesAge FactorsMacrophagesIncidenceC-Reactive ProteinTreatment OutcomeTumor Necrosis Factor-alpha