SalicylatesErythromycin EthylsuccinateSodium SalicylateRanitidineOrganometallic CompoundsAntacidsAnti-Ulcer AgentsMetronidazoleSalicylic AcidAmoxicillinHelicobacter pyloriHelicobacter InfectionsClarithromycinHistamine H2 AntagonistsFurazolidoneDimercaprolTinidazoleDuodenal UlcerDrug Therapy, CombinationTetracyclineOmeprazoleAnti-Bacterial AgentsGermaniumKlatskin's TumorGentisatesSucralfateAspirinPeptic UlcerDyspepsiaPenicillins