Of vasodilation in the treatment of congestive heart failure.
D006333:Heart Failure / Q000188:drug therapy*; D006584:Hexamethonium Compounds / Q000627:therapeutic use*; D006801:Humans; D014665:Vasodilator Agents / Q000627:therapeutic use
D006584:Hexamethonium Compounds; D014665:Vasodilator Agents