Nasal MucosaRespiratory MucosaAdenoidsMucous MembraneOlfactory MucosaMucociliary ClearanceRespiratory SystemMicroscopy, Electron, ScanningBacterial AdhesionAdministration, IntranasalHaemophilus influenzaeOrgan Culture TechniquesHeart FailureIntestinal MucosaGastric MucosaMouth MucosaTreatment FailureKidney Failure, ChronicFailure to ThriveLiver Failure, AcuteColonLaryngeal MucosaLiver FailureMultiple Organ FailureTreatment OutcomeEquipment FailureTime FactorsCardiac Output, LowDuodenumHeart Failure, SystolicAcute Kidney InjuryRespiratory InsufficiencyProsthesis FailureIntestine, SmallChronic DiseaseRetrospective StudiesGastritisHeart Failure, DiastolicFollow-Up StudiesBiopsyProspective StudiesStomach UlcerIleumStomach