Anticholinergic agents in COPD.
D001249:Asthma / Q000188:drug therapy; D001993:Bronchodilator Agents / Q000627:therapeutic use*; D005541:Forced Expiratory Volume; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000188:drug therapy*; D010276:Parasympatholytics / Q000627:therapeutic use*
D001993:Bronchodilator Agents; D010276:Parasympatholytics