AmoxicillinClarithromycinHelicobacter InfectionsOmeprazoleHelicobacter pyloriAnti-Ulcer AgentsBismuthMetronidazole2-PyridinylmethylsulfinylbenzimidazolesTinidazoleFurazolidoneRabeprazoleDrug Therapy, CombinationLansoprazoleAnti-Bacterial AgentsProton Pump InhibitorsRanitidineDuodenal UlcerPeptic UlcerDyspepsiaBreath TestsLevofloxacinBenzimidazolesPenicillinsSulfoxidesAntitrichomonal AgentsOfloxacinDisease EradicationTreatment OutcomeStomach UlcerAnti-Infective AgentsTetracyclineAntacidsEsomeprazoleOrganometallic CompoundsAzithromycinAnti-Infective Agents, LocalDental CalculusDental ProphylaxisGastritisUreaDrug Resistance, BacterialPoliomyelitisDouble-Blind MethodDrug Administration ScheduleCilastatinPatient ComplianceAza CompoundsProspective StudiesDrug Resistance, MicrobialTreatment FailurePharyngitisProbioticsMicrobial Sensitivity TestsFluoroquinolonesPoliovirus Vaccine, OralAdministration, OralPoliovirus VaccinesDracunculiasisBacterial InfectionsQuinolinesSmallpoxRandomized Controlled Trials as TopicAryl Hydrocarbon HydroxylasesDrug ResistanceWorld HealthImmunization ProgramsDracunculus NematodeTime FactorsGastric MucosaPoliovirusGastroscopyPoliovirus Vaccine, InactivatedLymphoma, B-Cell, Marginal ZoneStomach NeoplasmsRetrospective StudiesAmericasMetaplasiaHistamine H2 AntagonistsGastritis, AtrophicEndoscopy, GastrointestinalMeaslesGastric AcidInsect ControlPopulation SurveillanceCommunicable Disease ControlPan American Health OrganizationAfghanistanMeasles VaccineMuscle HypotoniaVariola virusRecurrenceYawsWorld Health OrganizationPepsinogen AAfricaDuodenitisSmallpox VaccineUreaseHypoproteinemia