Failure of long acting recently introduced B-agonists in asthma.
D001249:Asthma / Q000188:drug therapy*; D003692:Delayed-Action Preparations; D006801:Humans; D007700:Kinetics; D013726:Terbutaline / Q000378:metabolism* / Q000627:therapeutic use
D003692:Delayed-Action Preparations; D013726:Terbutaline