Review and assessment of the efficacy of cromolyn sodium, particularly after long-term administration.
D000293:Adolescent; D001249:Asthma / Q000188:drug therapy*; D002648:Child; D002675:Child, Preschool; D002986:Clinical Trials as Topic; D004205:Cromolyn Sodium / Q000008:administration & dosage* / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008297:Male; D010919:Placebos
D010919:Placebos; D004205:Cromolyn Sodium