title: Pain-relieving drugs in angina.
mesh_terms: D000787:Angina Pectoris / Q000188:drug therapy*; D000790:Angiocardiography; D003331:Coronary Vessels / Q000187:drug effects*; D006801:Humans; D005996:Nitroglycerin / Q000627:therapeutic use*; D011868:Radioisotopes; D014978:Xenon
chemical_list: D011868:Radioisotopes; D014978:Xenon; D005996:Nitroglycerin