title: Effect of cromolyn sodium on exercise-induced airway obstruction in asthmatic children.
mesh_terms: D000367:Age Factors; D000402:Airway Obstruction / Q000188:drug therapy*; D001249:Asthma / Q000188:drug therapy*; D002648:Child; D002986:Clinical Trials as Topic; D006801:Humans; D008722:Methods; D005082:Physical Exertion; D012492:Salts; D012964:Sodium / Q000627:therapeutic use*; D013147:Spirometry
chemical_list: D012492:Salts; D012964:Sodium