BronchitisPrednisoneBronchitis, ChronicInfectious bronchitis virusVincristineCyclophosphamideGlucocorticoidsChronic DiseaseDoxorubicinCoronaviridaeCoronavirus InfectionsProcarbazineAntineoplastic Combined Chemotherapy ProtocolsMechlorethaminePrednisoloneAzathioprineImmunosuppressive AgentsTreatment OutcomeAnti-Inflammatory AgentsSputumDrug Therapy, CombinationAsthmaCoughRespiratory Tract DiseasesMelphalanMitoxantroneDrug Administration ScheduleAntibodies, Monoclonal, Murine-DerivedPoultry DiseasesBleomycinExpectorantsMethotrexateAcute DiseaseColor TherapyAdrenal Cortex HormonesRespiratory Tract InfectionsRemission InductionPulmonary EmphysemaLung Diseases, ObstructiveChlorambucilFollow-Up StudiesLymphoma, Non-HodgkinEmphysemaSmokingForced Expiratory VolumeCyclosporineAdministration, OralRespiratory Function TestsHodgkin DiseaseLymphoma, Large B-Cell, DiffusePulmonary Heart DiseaseTime FactorsVital CapacityMycophenolic AcidPulmonary Disease, Chronic ObstructiveRecurrenceVinblastineAsparaginaseProspective StudiesNasopharyngitisDouble-Blind MethodThalidomideMultiple MyelomaEosinophiliaBronchiectasisKidney TransplantationMucociliary ClearanceSpirometryCoronaviridae InfectionsRespiratory SoundsSurvival AnalysisAirway ObstructionBronchiEtoposideLung DiseasesLungCoal MiningFossil FuelsDustClinical Trials as TopicGraft RejectionDisease-Free SurvivalRespiration DisordersTacrolimusRetrospective StudiesMethylprednisoloneSurvival RateChickensTextile IndustryBronchoscopyCombined Modality TherapyNephrotic SyndromeOccupational DiseasesPneumoconiosisAnti-Bacterial AgentsPrognosisCefuroximeTachypneaPolymyalgia Rheumatica6-Mercaptopurine