Stomach UlcerDuodenal UlcerPeptic UlcerStomachPeptic Ulcer HemorrhagePeptic Ulcer PerforationLeg UlcerPressure UlcerSkin UlcerGastric JuiceVagotomy, Proximal GastricHelicobacter pyloriHelicobacter InfectionsCimetidineVagotomyAnti-Ulcer AgentsGastric AcidGastrinsRanitidineOmeprazoleDuodenoscopyDuodenumStomach NeoplasmsPylorusPentagastrinGastritisBuruli UlcerDumping SyndromeGastric Acidity DeterminationGastric MucosaPyloric AntrumHistamine H2 AntagonistsStomach DiseasesBismuthAmoxicillinGastroenterostomyDyspepsiaMetronidazoleClarithromycinPepsinogensGastroscopyDuodenitisAntacids2-PyridinylmethylsulfinylbenzimidazolesRecurrenceSecretory Rate