title: A case of asthma.
mesh_terms: D000293:Adolescent; D001249:Asthma / Q000188:drug therapy / Q000235:genetics / Q000628:therapy*; D004205:Cromolyn Sodium / Q000627:therapeutic use; D006801:Humans; D008297:Male; D012008:Recurrence
chemical_list: D004205:Cromolyn Sodium