The pharmacological basis of bronchodilator therapy.
D001249:Asthma / Q000188:drug therapy*; D001993:Bronchodilator Agents / Q000627:therapeutic use*; D006801:Humans; D013566:Sympathomimetics / Q000627:therapeutic use; D013806:Theophylline / Q000627:therapeutic use
D001993:Bronchodilator Agents; D013566:Sympathomimetics; D013806:Theophylline