title: [Evaluation of treatment effectiveness in chronic dust bronchitis].
mesh_terms: D000328:Adult; D001991:Bronchitis / Q000188:drug therapy*; D002908:Chronic Disease; D004359:Drug Therapy, Combination; D004391:Dust; D005500:Follow-Up Studies; D006801:Humans; D008875:Middle Aged
chemical_list: D004391:Dust
vernacular_title: Otsenka éffektivnosti lecheniia bol'nykh khronicheskim pylevym bronkhitom.