DuodenoscopyCrohn DiseaseMetronidazoleAntitrichomonal AgentsNitroreductasesNod2 Signaling Adaptor ProteinHelicobacter pyloriAmoxicillinAnti-Bacterial AgentsClarithromycinBismuthNitroimidazolesHelicobacter InfectionsTrichomonas vaginalisBacteria, AnaerobicTinidazoleAnti-Infective AgentsTrichomonas VaginitisBacteroides fragilisColitis, UlcerativeInflammatory Bowel DiseasesAnti-Ulcer AgentsClindamycinBacteroides InfectionsOmeprazoleEnterocolitis, PseudomembranousVaginosis, BacterialOrnidazoleMicrobial Sensitivity TestsTetracyclineClostridium difficileAntiprotozoal AgentsDrug Therapy, CombinationTritrichomonasNimorazoleDrug Resistance, MicrobialAmebicidesNitrofuransFurazolidoneRosaceaBacteroidesGardnerella vaginalisDrug Resistance, BacterialSpecialties, NursingRanitidineGiardia lamblia