title: In vivo measurement of drug effect on mucociliary transport.
mesh_terms: D001964:Bromhexine / Q000627:therapeutic use*; D001991:Bronchitis / Q000188:drug therapy / Q000503:physiopathology*; D002923:Cilia / Q000187:drug effects / Q000502:physiology*; D002986:Clinical Trials as Topic; D005260:Female; D005280:Fenoterol / Q000627:therapeutic use; D006801:Humans; D008297:Male; D008875:Middle Aged; D009092:Mucous Membrane / Q000503:physiopathology; D012907:Smoking; D014132:Trachea / Q000503:physiopathology*
chemical_list: D005280:Fenoterol; D001964:Bromhexine