title: Bromhexine hydrochloride in chronic secretory otitis media--a clinical trial.
mesh_terms: D000814:Aniline Compounds / Q000627:therapeutic use*; D002648:Child; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D006320:Hearing Tests; D006801:Humans; D010033:Otitis Media / Q000188:drug therapy*; D010919:Placebos; D014050:Toluene / Q000627:therapeutic use*; D014432:Tympanic Membrane / Q000601:surgery
chemical_list: D000814:Aniline Compounds; D010919:Placebos; D014050:Toluene