title: Respirophonographical measurements into the effect of bromhexine in the treatment of chronic bronchitis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000814:Aniline Compounds / Q000627:therapeutic use*; D001991:Bronchitis / Q000188:drug therapy*; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010701:Phonocardiography; D010919:Placebos; D000644:Quaternary Ammonium Compounds / Q000627:therapeutic use*; D014050:Toluene / Q000627:therapeutic use*; D014691:Ventilation
chemical_list: D000814:Aniline Compounds; D010919:Placebos; D000644:Quaternary Ammonium Compounds; D014050:Toluene