Peptic UlcerPeptic Ulcer HemorrhagePeptic Ulcer PerforationStomach UlcerDuodenal UlcerHemorrhageCerebral HemorrhageSubarachnoid HemorrhageHelicobacter pyloriHelicobacter InfectionsLeg UlcerPressure UlcerIntracranial HemorrhagesGastrointestinal HemorrhageSkin UlcerAnti-Ulcer AgentsHemostasis, EndoscopicGastritisRetinal HemorrhageDyspepsiaHematemesisPostpartum HemorrhageOmeprazoleGastroscopyEndoscopy, GastrointestinalProton Pump InhibitorsMelenaGastric MucosaVitreous HemorrhageHistamine H2 AntagonistsEye HemorrhageAnti-Inflammatory Agents, Non-SteroidalBuruli UlcerCimetidineAmoxicillinRanitidineEndoscopyGastric AcidAntacidsClarithromycinRecurrence2-PyridinylmethylsulfinylbenzimidazolesStomachDuodenoscopyGastric JuiceMetronidazoleTreatment OutcomeVagotomyLansoprazoleGastrointestinal DiseasesBasal Ganglia HemorrhageElectrocoagulationVagotomy, Proximal GastricStomach DiseasesDuodenitisGastroenterostomyStomach NeoplasmsVasospasm, IntracranialIntracranial Hemorrhage, HypertensiveEndoscopy, Digestive SystemProspective StudiesHematomaDrug Therapy, CombinationRisk FactorsPostoperative HemorrhageBismuthPylorusTime FactorsFurazolidoneEsophagitisRetrospective StudiesTomography, X-Ray ComputedUpper Gastrointestinal TractAntigens, BacterialPyloric AntrumIntracranial AneurysmChoroid HemorrhageTinidazoleAnti-Bacterial AgentsGastrectomyDuodenumGastrinsUreaseDiabetic FootGastric FistulaAspirinGastric Outlet ObstructionFollow-Up StudiesPutaminal HemorrhageDuodenal DiseasesTetragastrinIncidenceBreath TestsCerebral AngiographyPostoperative ComplicationsBacterial ProteinsAge FactorsAneurysm, RupturedRetrobulbar HemorrhagePepsinogens