title: Airway responsiveness and chronic airway obstruction.
mesh_terms: D000402:Airway Obstruction / Q000503:physiopathology*; D000818:Animals; D001985:Bronchial Provocation Tests; D001991:Bronchitis / Q000503:physiopathology; D002908:Chronic Disease; D004195:Disease Models, Animal; D006801:Humans; D008176:Lung Volume Measurements; D012907:Smoking