DyspepsiaHelicobacter pyloriHelicobacter InfectionsGastric AcidAnti-Ulcer AgentsOmeprazoleAmoxicillinClarithromycin2-PyridinylmethylsulfinylbenzimidazolesGastric MucosaBismuthMetronidazoleLansoprazoleGastric EmptyingDuodenal UlcerProton Pump InhibitorsTinidazolePentagastrinPeptic UlcerGastritisGastrinsDrug Therapy, CombinationGastric JuiceRanitidineStomachAnti-Bacterial AgentsAntacidsHistamine H2 AntagonistsBile RefluxRabeprazoleFurazolidoneStomach UlcerParietal Cells, GastricBreath TestsHelicobacterSulfoxidesPyloric AntrumAntitrichomonal AgentsUreaseStomach NeoplasmsGastroscopyGastric Acidity DeterminationBethanechol CompoundsPenicillinsGastroesophageal RefluxAchlorhydriaBenzimidazolesGastritis, AtrophicHistamineSecretory RateLymphoma, B-Cell, Marginal ZoneGastrointestinal AgentsCimetidineTreatment OutcomePeptonesStomach DiseasesEsophagitis, PepticTetracyclineEndoscopy, GastrointestinalAminopyrineMetaplasiaVagotomyH(+)-K(+)-Exchanging ATPaseGastrointestinal MotilityFamotidineEsomeprazoleUreaDuodenitisDouble-Blind MethodEsophagitisMetiamideTetragastrinOrganometallic CompoundsAerophagyGastric FistulaBacterial ProteinsLevofloxacinGastrointestinal DiseasesProspective StudiesDuodenumVagotomy, Proximal GastricNifuratelYogurtVagus NerveBethanecholAnti-Infective AgentsCisapridePylorusPepsinogen AEructationDisease EradicationOfloxacinAntigens, BacterialPostprandial PeriodGastric FundusEndoscopyDrug Administration ScheduleSomatostatinHydrogen-Ion ConcentrationDanazol