title: Penbutolol: a new beta blocker in the treatment of moderate essential hypertension.
mesh_terms: D000328:Adult; D000368:Aged; D001794:Blood Pressure / Q000187:drug effects; D006801:Humans; D006973:Hypertension / Q000188:drug therapy*; D008875:Middle Aged; D010394:Penbutolol / Q000627:therapeutic use*; D010919:Placebos; D011412:Propanolamines / Q000627:therapeutic use*; D012083:Renin / Q000097:blood
chemical_list: D010919:Placebos; D011412:Propanolamines; D010394:Penbutolol; D012083:Renin