Letter: Actions of propranolol in angina pectoris.
D000787:Angina Pectoris / Q000188:drug therapy* / Q000503:physiopathology; D006321:Heart / Q000187:drug effects; D006801:Humans; D005996:Nitroglycerin / Q000494:pharmacology / Q000627:therapeutic use; D011433:Propranolol / Q000494:pharmacology / Q000627:therapeutic use*
D011433:Propranolol; D005996:Nitroglycerin