Duodenal UlcerStomach UlcerPeptic UlcerPeptic Ulcer PerforationPeptic Ulcer HemorrhageVagotomy, Proximal GastricGastric JuiceHelicobacter pyloriCimetidineHelicobacter InfectionsVagotomyAnti-Ulcer AgentsGastric AcidRanitidineGastrinsLeg UlcerPressure UlcerDuodenoscopyOmeprazoleSkin UlcerDuodenumPentagastrinDumping SyndromePylorusGastric Acidity DeterminationGastritisHistamine H2 AntagonistsBismuthPyloric AntrumAmoxicillinGastroenterostomyStomachMetronidazoleGastric MucosaClarithromycinDyspepsiaDuodenitisPepsinogens2-PyridinylmethylsulfinylbenzimidazolesAntacidsSecretory RateCysteamineRecurrenceBuruli UlcerGastroscopyZollinger-Ellison SyndromeFamotidineLansoprazolePepsin ADuodenal DiseasesSucralfateGefarnateDrug Therapy, CombinationStomach DiseasesEnprostilGastrointestinal HemorrhageMagnesium HydroxideEndoscopyOrganometallic CompoundsPenicillinsGlycyrrhizaAnti-Inflammatory Agents, Non-SteroidalDrainageFurazolidoneGastrectomyVagotomy, TruncalAcetic AcidEndoscopy, GastrointestinalHistamine N-MethyltransferaseGuanidinesProton Pump InhibitorsEndoscopy, Digestive SystemClinical Trials as TopicAtropa belladonnaUreaseDouble-Blind MethodHematemesisFoodStomach NeoplasmsPyloric StenosisAnti-Bacterial AgentsMelenaRabeprazoleGastrointestinal DiseasesHistamineActihaemylTime FactorsHemostasis, EndoscopicSulfoxidesFollow-Up StudiesBreath TestsProspective StudiesDiabetic FootMetaplasiaAluminum HydroxideSecretinTinidazole