title: Airway responsiveness of chronic smokers to increased lung volume and to a bronchodilator.
mesh_terms: D000328:Adult; D001993:Bronchodilator Agents / Q000494:pharmacology*; D005260:Female; D006801:Humans; D008176:Lung Volume Measurements; D008297:Male; D009921:Metaproterenol / Q000494:pharmacology; D008875:Middle Aged; D012140:Respiratory Tract Diseases / Q000503:physiopathology; D012907:Smoking
chemical_list: D001993:Bronchodilator Agents; D009921:Metaproterenol