title: Vasodilator therapy in congestive heart failure.
mesh_terms: D006333:Heart Failure / Q000188:drug therapy*; D006801:Humans; D007548:Isosorbide Dinitrate / Q000627:therapeutic use*; D011224:Prazosin / Q000627:therapeutic use*; D011897:Random Allocation
chemical_list: D007548:Isosorbide Dinitrate; D011224:Prazosin