title: Longterm treatment of hypertension with penbutolol.
mesh_terms: D000328:Adult; D000368:Aged; D000959:Antihypertensive Agents / Q000627:therapeutic use*; D004341:Drug Evaluation; D005260:Female; D006801:Humans; D006973:Hypertension / Q000188:drug therapy*; D008297:Male; D008875:Middle Aged; D010394:Penbutolol / Q000627:therapeutic use*; D011412:Propanolamines / Q000627:therapeutic use*
chemical_list: D000959:Antihypertensive Agents; D011412:Propanolamines; D010394:Penbutolol