title: Determining the reversibility of airway obstruction.
mesh_terms: D000328:Adult; D000336:Aerosols; D000368:Aged; D001249:Asthma / Q000188:drug therapy; D001991:Bronchitis / Q000188:drug therapy; D001993:Bronchodilator Agents / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011175:Positive-Pressure Respiration; D011656:Pulmonary Emphysema / Q000188:drug therapy; D012140:Respiratory Tract Diseases / Q000188:drug therapy* / Q000503:physiopathology; D013147:Spirometry; D013997:Time Factors
chemical_list: D000336:Aerosols; D001993:Bronchodilator Agents