title: Angiotensin converting-enzyme inhibitor in refractory hypertension.
mesh_terms: D000806:Angiotensin-Converting Enzyme Inhibitors; D000959:Antihypertensive Agents; D006801:Humans; D006973:Hypertension / Q000188:drug therapy*; D011392:Proline / Q000031:analogs & derivatives*
chemical_list: D000806:Angiotensin-Converting Enzyme Inhibitors; D000959:Antihypertensive Agents; D011392:Proline