New drugs for asthma: a scientific basis for therapy.
D000293:Adolescent; D000305:Adrenal Cortex Hormones / Q000627:therapeutic use; D001249:Asthma / Q000188:drug therapy*; D002648:Child; D006801:Humans; D010372:Pediatrics; D013806:Theophylline / Q000627:therapeutic use
D000305:Adrenal Cortex Hormones; D013806:Theophylline