Underutilisation of prophylactic drugs in asthmatic children.
D000284:Administration, Oral; D000293:Adolescent; D000305:Adrenal Cortex Hormones / Q000008:administration & dosage; D001249:Asthma / Q000188:drug therapy*; D002648:Child; D002675:Child, Preschool; D004205:Cromolyn Sodium / Q000008:administration & dosage; D004363:Drug Utilization; D005260:Female; D006801:Humans; D007223:Infant; D007665:Ketotifen / Q000008:administration & dosage; D008297:Male; D012138:Respiratory Therapy; D013806:Theophylline / Q000008:administration & dosage
D000305:Adrenal Cortex Hormones; D013806:Theophylline; D004205:Cromolyn Sodium; D007665:Ketotifen