Comparison of standard- and sustained-release theophylline tablets in patients with chronic obstructive pulmonary disease.
D000328:Adult; D000628:Aminophylline / Q000008:administration & dosage* / Q000378:metabolism / Q000627:therapeutic use; D003692:Delayed-Action Preparations; D005260:Female; D006801:Humans; D007700:Kinetics; D008173:Lung Diseases, Obstructive / Q000188:drug therapy*; D008297:Male; D008875:Middle Aged; D012129:Respiratory Function Tests; D013607:Tablets; D013806:Theophylline / Q000008:administration & dosage* / Q000097:blood / Q000627:therapeutic use
D003692:Delayed-Action Preparations; D013607:Tablets; D000628:Aminophylline; D013806:Theophylline