title: Studies on the removal of inhaled particles from the lungs by voluntary coughing.
mesh_terms: D000336:Aerosols; D001964:Bromhexine / Q000627:therapeutic use; D002923:Cilia / Q000502:physiology; D002986:Clinical Trials as Topic; D003371:Cough / Q000188:drug therapy / Q000503:physiopathology*; D004311:Double-Blind Method; D006801:Humans; D008168:Lung / Q000503:physiopathology*; D008173:Lung Diseases, Obstructive / Q000503:physiopathology; D011138:Polytetrafluoroethylene
chemical_list: D000336:Aerosols; D011138:Polytetrafluoroethylene; D001964:Bromhexine