The introduction of ganglion blocking drugs for the treatment of hypertension.
D000959:Antihypertensive Agents / Q000627:therapeutic use*; D005730:Ganglionic Blockers / Q000627:therapeutic use*; D006584:Hexamethonium Compounds / Q000627:therapeutic use; D006801:Humans; D006973:Hypertension / Q000188:drug therapy*
D000959:Antihypertensive Agents; D005730:Ganglionic Blockers; D006584:Hexamethonium Compounds