BronchitisBronchitis, ChronicInfectious bronchitis virusLungLung DiseasesLung NeoplasmsLung InjuryLung TransplantationCarcinoma, Non-Small-Cell LungCoronaviridaeChronic DiseaseCoronavirus InfectionsAcute Lung InjuryRespiratory Tract DiseasesLung Diseases, ObstructiveSputumCoughPulmonary EmphysemaSmokingAsthmaRespiratory Function TestsLung Volume MeasurementsEmphysemaExpectorantsPoultry DiseasesRespiratory Tract InfectionsBronchiForced Expiratory VolumePulmonary Disease, Chronic ObstructiveVital CapacityBronchoalveolar Lavage FluidSpirometryPneumoniaAcute DiseasePulmonary Heart DiseaseLung Diseases, InterstitialAirway ObstructionBronchoscopyDustFarmer's LungRespiratory SoundsCoal MiningNasopharyngitisPulmonary AlveoliOccupational DiseasesBronchiectasisCoronaviridae InfectionsPneumoconiosisFossil FuelsTotal Lung CapacityExtravascular Lung WaterOccupational ExposureTextile IndustryPulmonary FibrosisRespiratory MucosaRespiration DisordersMucusChickensMucociliary ClearanceSmall Cell Lung CarcinomaWeldingForced Expiratory Flow RatesByssinosisBronchiolitisPulmonary AtelectasisAnti-Bacterial AgentsIpratropiumAerosolsEosinophiliaTachypneaMass Chest X-RayCarcinoma, Small CellCefuroximeAdministration, InhalationLung AbscessBronchodilator AgentsAtropine DerivativesSmokeVentilator-Induced Lung InjuryPrevalenceTracheitisAir PollutionAgricultural Workers' DiseasesRisk FactorsHaemophilus influenzaeDiagnostic Techniques, Respiratory SystemAdenocarcinomaSulfur DioxideDyspneaTobacco Smoke PollutionAir Pollutants, OccupationalAlbuterolInhalation Exposure