TracheaLungLung DiseasesLung NeoplasmsTracheal NeoplasmsLung InjuryCarcinoma, Non-Small-Cell LungLung TransplantationTracheal DiseasesAcute Lung InjuryTracheal StenosisGuinea PigsBronchiLung Volume MeasurementsMuscle, SmoothLung Diseases, InterstitialBronchoscopyIntubation, IntratrachealPulmonary AlveoliMuscle RelaxationLarynxMucusBronchoalveolar Lavage FluidMuscle ContractionTotal Lung CapacityExtravascular Lung WaterEpitheliumRespiratory MucosaSmall Cell Lung CarcinomaAirway ObstructionTracheotomyRespiratory SystemHistamineCarcinoma, Small CellLung AbscessPulmonary FibrosisRespiratory Function TestsVentilator-Induced Lung InjuryLung Diseases, ObstructivePneumoniaBronchial DiseasesAerosolsAdenocarcinomaTomography, X-Ray ComputedPulmonary CirculationTracheitisRespiratory MechanicsMice, Inbred C57BLPulmonary SurfactantsEpithelial CellsPulmonary EdemaFarmer's LungExocrine GlandsRespiration, ArtificialSRS-ARespiratory Distress Syndrome, AdultCarcinoma, Lewis LungSmokingImmunohistochemistryMethacholine CompoundsPneumonectomyDose-Response Relationship, DrugMucociliary ClearanceAdministration, InhalationTracheostomyDogsPulmonary EmphysemaNeurokinin AVagus NerveSubstance PRNA, MessengerRadiography, ThoracicMice, Inbred BALB CRespiratory Physiological PhenomenaMacrophages, AlveolarMethacholine ChlorideRespirationBronchial NeoplasmsMucous MembraneTracheoesophageal FistulaLaryngeal NervesFiber Optic TechnologyParasympatholyticsPulmonary VentilationParasympathetic Nervous SystemAcetylcholineCapillary PermeabilityAtropineBronchoconstrictionTachykininsLung Diseases, FungalPulmonary AtelectasisIsoproterenolCarcinoma, Squamous CellCystic FibrosisElectric StimulationLaryngeal CartilagesTidal VolumePulmonary ArteryForced Expiratory Volume