title: Airflow limitation--reversible or irreversible.
mesh_terms: D001993:Bronchodilator Agents / Q000494:pharmacology / Q000627:therapeutic use*; D005541:Forced Expiratory Volume; D006801:Humans; D008168:Lung / Q000187:drug effects; D008173:Lung Diseases, Obstructive / Q000188:drug therapy* / Q000503:physiopathology
chemical_list: D001993:Bronchodilator Agents