title: Observations on the hypotensive action of "Catapres" (ST 155) in man.
mesh_terms: D000328:Adult; D000959:Antihypertensive Agents / Q000627:therapeutic use*; D001794:Blood Pressure / Q000187:drug effects; D002200:Capillary Resistance / Q000187:drug effects; D002302:Cardiac Output / Q000187:drug effects; D002986:Clinical Trials as Topic; D006801:Humans; D006973:Hypertension / Q000188:drug therapy*; D007093:Imidazoles / Q000627:therapeutic use*; D007275:Injections, Intravenous; D005082:Physical Exertion; D011187:Posture; D014636:Valsalva Maneuver
chemical_list: D000959:Antihypertensive Agents; D007093:Imidazoles