title: Optimizing bronchodilator therapy for copd.
authors.forename: B J
authors.initials: BJ
authors.lastname: Lipworth
mesh_terms: D000420:Albuterol / Q000008:administration & dosage / Q000031:analogs & derivatives*; D001993:Bronchodilator Agents / Q000008:administration & dosage*; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000188:drug therapy*; D000068299:Salmeterol Xinafoate; D013806:Theophylline / Q000008:administration & dosage
chemical_list: D001993:Bronchodilator Agents; D000068299:Salmeterol Xinafoate; D013806:Theophylline; D000420:Albuterol