Letter: Intal in refractory asthmatic paediatric cases.
D000293:Adolescent; D001249:Asthma / Q000188:drug therapy*; D002648:Child; D004205:Cromolyn Sodium / Q000008:administration & dosage* / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008297:Male
D004205:Cromolyn Sodium