Use of theophylline in the treatment of COPD.
Ramsdell
J
J
University of California at San Diego, USA.
D000368:Aged; D003365:Costs and Cost Analysis; D004305:Dose-Response Relationship, Drug; D017079:Exercise Tolerance / Q000187:drug effects; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000188:drug therapy*; D013806:Theophylline / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*
D013806:Theophylline