GalliumGallium RadioisotopesRanitidineOrganometallic CompoundsAntacidsGallium IsotopesAnti-Ulcer AgentsMetronidazoleSalicylatesAmoxicillinHelicobacter pyloriHelicobacter InfectionsClarithromycinHistamine H2 AntagonistsFurazolidoneDimercaprolTinidazoleDuodenal UlcerDrug Therapy, CombinationTetracyclineOmeprazoleCitratesIndiumAnti-Bacterial AgentsGermaniumKlatskin's TumorSucralfatePyronesPeptic UlcerRadionuclide ImagingDyspepsiaPenicillinsRadiation ProtectionOxyquinolineHydrocarbons, IodinatedAntimonyReceptors, Transferrin