Hydrallazine and prazosin.
D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use*; D004359:Drug Therapy, Combination; D006801:Humans; D006830:Hydralazine / Q000627:therapeutic use*; D006973:Hypertension / Q000188:drug therapy*; D011224:Prazosin / Q000627:therapeutic use*; D011799:Quinazolines / Q000627:therapeutic use*
D000319:Adrenergic beta-Antagonists; D011799:Quinazolines; D006830:Hydralazine; D011224:Prazosin