title: A double-blind clinical trial in angina pectoris. A comparison between oxprenolol, practolol and placebo.
mesh_terms: D000787:Angina Pectoris / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D006801:Humans; D008297:Male; D008875:Middle Aged; D010096:Oxprenolol / Q000627:therapeutic use*; D010919:Placebos; D011217:Practolol / Q000627:therapeutic use*; D011433:Propranolol / Q000627:therapeutic use
chemical_list: D010919:Placebos; D010096:Oxprenolol; D011433:Propranolol; D011217:Practolol