RanitidineOrganometallic CompoundsAntacidsAnti-Ulcer AgentsMetronidazoleSalicylatesNitric Oxide SynthaseAmoxicillinHelicobacter pyloriHelicobacter InfectionsClarithromycinHistamine H2 AntagonistsFurazolidoneDimercaprolTinidazoleDuodenal UlcerDrug Therapy, CombinationTetracyclineOmeprazoleNitric Oxide Synthase Type IIGermaniumKlatskin's TumorAnti-Bacterial AgentsSucralfateOxidesPeptic UlcerNitric Oxide Synthase Type IIIDyspepsiaPenicillinsNitric Oxide Synthase Type IRadiation ProtectionBreath TestsHydrocarbons, IodinatedAntimonyGastric MucinsProton Pump InhibitorsThymolphthaleinHepatic Duct, CommonNitrogen OxidesColloidsScintillation CountingGastritisBiliary Tract Surgical ProceduresZinc Oxide2-PyridinylmethylsulfinylbenzimidazolesAntidiarrhealsGastric MucosaCimetidineBile Ducts, IntrahepaticAlpha ParticlesGastroscopyTooth DiscolorationResins, SyntheticStomach UlcerElectrodesAntitrichomonal AgentsErythromycin EthylsuccinateSpectrophotometry, AtomicBile Duct NeoplasmsSulfoxidesNG-Nitroarginine Methyl EsterDrug CombinationsMyoclonusProsthesis ColoringNitritesArginineSilicatesCampylobacterLansoprazoleMetals, Heavyomega-N-MethylarginineCampylobacter InfectionsDuodenumTreatment OutcomeNitroimidazolesIndiumRadiation-Protective AgentsCholangiocarcinomaSalmonellaEnzyme InhibitorsTime FactorsStomach DiseasesDouble-Blind MethodNitratesLevofloxacinUreaseBile DuctsMetalsDental CementsAnti-Infective AgentsDrug Resistance, MicrobialMetallothioneinUreaAnti-Infective Agents, LocalMetal NanoparticlesDose-Response Relationship, DrugGlycocalyxAminosalicylic AcidsDrug Administration ScheduleAmino Acid Oxidoreductases