Theophylline in asthma.
D000318:Adrenergic beta-Agonists / Q000627:therapeutic use; D001249:Asthma / Q000188:drug therapy*; D004359:Drug Therapy, Combination; D004630:Emergencies; D006801:Humans; D013806:Theophylline / Q000008:administration & dosage / Q000627:therapeutic use*
D000318:Adrenergic beta-Agonists; D013806:Theophylline