Historical aspects of anticholinergic treatment of obstructive airways disease.
D001249:Asthma / Q000188:drug therapy / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D010276:Parasympatholytics / Q000266:history* / Q000627:therapeutic use
D010276:Parasympatholytics