Nasal ObstructionRhinometry, AcousticRhinomanometryNasal SeptumTurbinatesNasal DecongestantsNasal MucosaNasal CavityMouth BreathingRhinitis, Allergic, PerennialNasal Surgical ProceduresNose NeoplasmsIntestinal ObstructionAirway ObstructionNasal Provocation TestsNasal PolypsRhinoplastyRhinitisNose DiseasesOtorhinolaryngologic Surgical ProceduresNoseUreteral ObstructionEpistaxisRhinoscleromaRhinitis, Allergic, SeasonalAirway ResistanceEndoscopyParanasal SinusesHydroxyzineParanasal Sinus DiseasesMioticsSnoringAngiofibromaArgonAdenoidsSinusitisParanasal Sinus NeoplasmsAdministration, IntranasalDuodenal ObstructionEsthesioneuroblastoma, OlfactorySneezingHistamine H1 AntagonistsMaxillary Sinus NeoplasmsMaxillary SinusAnti-Allergic AgentsNasal Lavage FluidElectrocoagulationUrethral ObstructionUrinary Bladder Neck ObstructionSleep Apnea, ObstructiveGastric Outlet ObstructionTomography, X-Ray ComputedVentricular Outflow ObstructionTreatment OutcomeHypertrophyNasal BoneSleep Apnea SyndromesLacrimal Duct ObstructionProspective StudiesPolysomnographyPhysical Examination