title: [Beta-blocking agents in essential hypertension].
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000145:classification / Q000494:pharmacology / Q000627:therapeutic use*; D002302:Cardiac Output / Q000187:drug effects; D006801:Humans; D006973:Hypertension / Q000188:drug therapy*; D009638:Norepinephrine / Q000097:blood; D012083:Renin / Q000097:blood; D013564:Sympathetic Nervous System / Q000187:drug effects
chemical_list: D000319:Adrenergic beta-Antagonists; D012083:Renin; D009638:Norepinephrine