BronchiolesBronchiMuscle, SmoothMuscle, Smooth, VascularLungMyocytes, Smooth MuscleUteroglobinPulmonary AlveoliTracheaAPUD CellsBronchiolitisBronchoconstrictionBronchial DiseasesEpitheliumRespiratory SystemRespiratory MucosaMannheimia haemolyticaOzoneMuscle ContractionOximesBronchographyPulmonary EmphysemaImmunohistochemistryBronchiolitis ObliteransPursuit, SmoothEpithelial CellsHistological TechniquesCryptogenic Organizing PneumoniaLung Volume MeasurementsPulmonary ArteryAirway ObstructionCells, CulturedIntermediate-Conductance Calcium-Activated Potassium ChannelsBronchoalveolar Lavage FluidAortaIndolesMaleimidesAerosols1-(5-Isoquinolinesulfonyl)-2-MethylpiperazineLung DiseasesEndotheliumTissue Inhibitor of Metalloproteinase-3CarbacholRats, WistarNitrogen DioxideRNA, MessengerSerotoninAcetylcholineInhalation ExposurePhorbol 12,13-DibutyrateRats, Sprague-DawleyPneumoniaSmooth Muscle MyosinsCiliaDogsIsoquinolinesMicroscopy, Electron, ScanningPulmonary FibrosisTime FactorsIn Situ HybridizationMicroscopy, ElectronAdministration, InhalationAnimals, NewbornMice, Inbred C57BLAlbuterolEndoplasmic Reticulum, SmoothDisease Models, AnimalRats, Inbred F344CalciumMacaca mulattaLung NeoplasmsAorta, ThoracicRabbitsAsthmaGuinea PigsActinsPlatelet-Derived Growth FactorAgingMice, Inbred BALB CMice, TransgenicArteriesNeutrophilsSheepGizzard