title: Bronchial asthma treated with cromolyn sodium: a double-blind crossover study.
mesh_terms: D000293:Adolescent; D000328:Adult; D001249:Asthma / Q000188:drug therapy*; D002648:Child; D002986:Clinical Trials as Topic; D004205:Cromolyn Sodium / Q000008:administration & dosage / Q000627:therapeutic use*; D006801:Humans; D008875:Middle Aged; D010919:Placebos; D012138:Respiratory Therapy / Q000295:instrumentation
chemical_list: D010919:Placebos; D004205:Cromolyn Sodium