The comeback of hydralazine.
D004359:Drug Therapy, Combination; D006439:Hemodynamics / Q000187:drug effects; D006801:Humans; D006830:Hydralazine / Q000494:pharmacology / Q000627:therapeutic use*; D006973:Hypertension / Q000188:drug therapy*; D011433:Propranolol / Q000627:therapeutic use
D006830:Hydralazine; D011433:Propranolol