beta-Blockers in treatment of hypertension.
D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006801:Humans; D006973:Hypertension / Q000188:drug therapy*; D008722:Methods
D000319:Adrenergic beta-Antagonists