title: Adrenergic bronchodilators, old and new.
mesh_terms: D001249:Asthma / Q000188:drug therapy*; D001993:Bronchodilator Agents / Q000266:history / Q000627:therapeutic use*; D002681:China; D004739:England; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D013329:Structure-Activity Relationship; D013566:Sympathomimetics / Q000266:history / Q000627:therapeutic use*; D014481:United States
chemical_list: D001993:Bronchodilator Agents; D013566:Sympathomimetics