Breath TestsHelicobacter InfectionsHelicobacter pyloriUreaGastric EmptyingCarbon IsotopesLactuloseAminopyrineCaprylatesHydrogenLactose IntoleranceAnti-Ulcer AgentsExhalationCarbon RadioisotopesDyspepsiaTumor Markers, BiologicalOmeprazoleClarithromycinTumor BurdenAmoxicillinTumor Necrosis Factor-alpha2-PyridinylmethylsulfinylbenzimidazolesCarbon DioxideBismuthCell Line, TumorUreaseGastrointestinal TransitTinidazoleMetronidazoleSensitivity and SpecificityChylomicron RemnantsLactose Tolerance TestWilms TumorLansoprazoleMalabsorption SyndromesFalse Negative ReactionsLiver Function TestsNeoplasms, ExperimentalGenes, Tumor SuppressorSulfoxidesAcetamidesCarcinoid TumorPeptic UlcerDuodenal UlcerDrug Therapy, CombinationTumor Suppressor Protein p53Time FactorsNeuroendocrine TumorsTumor Suppressor ProteinsBrain NeoplasmsGastroparesisAnti-Bacterial AgentsFurazolidoneIntestine, SmallTumor MicroenvironmentBlind Loop SyndromeRanitidineTreatment OutcomeRabeprazoleIleocecal ValveSpectrophotometry, InfraredLactoseMammary Neoplasms, ExperimentalGastroscopyStomachReproducibility of ResultsNeovascularization, PathologicProton Pump InhibitorsPentanesNeoplasm MetastasisAntitrichomonal AgentsEndoscopy, GastrointestinalAdenocarcinomaBreath HoldingMineral WatersTransplantation, HeterologousSpirulinaLoperamideGastritisGastrointestinal Stromal TumorsMethaneExocrine Pancreatic InsufficiencyIrritable Bowel SyndromeProspective StudiesPredictive Value of TestsSteatorrheaPhenolsulfonphthaleinFecesBiopsyXenograft Model Antitumor AssaysDihydropyrimidine Dehydrogenase DeficiencyCell ProliferationPancreatinRespirationGastrointestinal MotilityPropanthelineMice, Inbred BALB CMice, Inbred C57BLAntigens, NeoplasmNeoplasms