title: Double blind crossover study of cromolyn sodium inhibition of aerosol antigen challenge.
mesh_terms: D000328:Adult; D000336:Aerosols; D000402:Airway Obstruction / Q000188:drug therapy; D001249:Asthma / Q000188:drug therapy; D002867:Chromones / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004205:Cromolyn Sodium / Q000008:administration & dosage / Q000627:therapeutic use; D006801:Humans; D008297:Male; D008875:Middle Aged; D010919:Placebos; D006109:Poaceae; D011058:Pollen; D012119:Respiration / Q000187:drug effects; D006255:Rhinitis, Allergic, Seasonal / Q000188:drug therapy*; D014797:Vital Capacity / Q000187:drug effects
chemical_list: D000336:Aerosols; D002867:Chromones; D010919:Placebos; D004205:Cromolyn Sodium