title: Physico-chemical properties of sputum in reversible airways obstruction.
mesh_terms: D000402:Airway Obstruction / Q000503:physiopathology*; D000403:Airway Resistance; D006801:Humans; D009438:Neuraminic Acids / Q000032:analysis; D009991:Oscillometry; D013183:Sputum / Q000032:analysis*; D014783:Viscosity
chemical_list: D009438:Neuraminic Acids