Slow-release theophylline for the treatment of chronic asthma.
D000328:Adult; D001249:Asthma / Q000188:drug therapy*; D002648:Child; D002908:Chronic Disease; D003692:Delayed-Action Preparations; D006801:Humans; D007223:Infant; D013806:Theophylline / Q000097:blood / Q000627:therapeutic use*
D003692:Delayed-Action Preparations; D013806:Theophylline