Mechanism of drug action in the therapy of respiratory allergy.
D001578:Benzopyrans / Q000627:therapeutic use; D002395:Catecholamines / Q000627:therapeutic use; D006636:Histamine Release; D006801:Humans; D012130:Respiratory Hypersensitivity / Q000188:drug therapy*; D013566:Sympathomimetics / Q000627:therapeutic use
D001578:Benzopyrans; D002395:Catecholamines; D013566:Sympathomimetics