The effect of disodium cromoglycate in perennial rhinitis.
D002867:Chromones / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004205:Cromolyn Sodium / Q000627:therapeutic use; D006801:Humans; D006255:Rhinitis, Allergic, Seasonal / Q000188:drug therapy*; D013223:Statistics as Topic
D002867:Chromones; D004205:Cromolyn Sodium