Cromolyn sodium therapy for chronic perennial asthma. A double-blind study of 40 children.
D000293:Adolescent; D000367:Age Factors; D001249:Asthma / Q000517:prevention & control*; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D004205:Cromolyn Sodium / Q000008:administration & dosage / Q000627:therapeutic use*; D004341:Drug Evaluation; D004359:Drug Therapy, Combination; D004361:Drug Tolerance; D006801:Humans; D007785:Lactose / Q000627:therapeutic use; D008722:Methods; D010919:Placebos; D012138:Respiratory Therapy
D010919:Placebos; D007785:Lactose; D004205:Cromolyn Sodium