Treatment of severe hypertension.
D000317:Adrenergic alpha-Antagonists / Q000627:therapeutic use; D000368:Aged; D000959:Antihypertensive Agents / Q000627:therapeutic use; D001794:Blood Pressure / Q000187:drug effects; D006801:Humans; D006973:Hypertension / Q000188:drug therapy*; D008875:Middle Aged
D000317:Adrenergic alpha-Antagonists; D000959:Antihypertensive Agents