Intal compound for asthma.
D001249:Asthma / Q000188:drug therapy*; D001578:Benzopyrans / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D006801:Humans; D007545:Isoproterenol / Q000627:therapeutic use*; D007785:Lactose / Q000627:therapeutic use
D001578:Benzopyrans; D007785:Lactose; D007545:Isoproterenol