Effect of vasodilators on survival in chronic congestive heart failure.
D002908:Chronic Disease; D002986:Clinical Trials as Topic; D006333:Heart Failure / Q000188:drug therapy / Q000401:mortality*; D006801:Humans; D011897:Random Allocation; D014665:Vasodilator Agents / Q000627:therapeutic use*
D014665:Vasodilator Agents