The effects of increasing the evening dose of controlled release theophylline in patients with reversible airways obstruction.
D000328:Adult; D000368:Aged; D001249:Asthma / Q000188:drug therapy*; D003692:Delayed-Action Preparations; D004334:Drug Administration Schedule; D006801:Humans; D008875:Middle Aged; D010366:Peak Expiratory Flow Rate; D013806:Theophylline / Q000008:administration & dosage / Q000627:therapeutic use*
D003692:Delayed-Action Preparations; D013806:Theophylline