Double blind crossover study of cromolyn sodium inhibition of aerosol antigen challenge.

Adult Aerosols Airway Obstruction/drug therapy Asthma/drug therapy Chromones/therapeutic use Clinical Trials as Topic Cromolyn Sodium/administration & dosage,therapeutic use Humans Male Middle Aged Placebos Poaceae Pollen Respiration/drug effects Rhinitis, Allergic, Seasonal/drug therapy Vital Capacity/drug effects

Aerosols Chromones Placebos Cromolyn Sodium