title: A new beta receptor blocking agent: "Aptin".
mesh_terms: D000787:Angina Pectoris / Q000188:drug therapy*; D006801:Humans; D005996:Nitroglycerin / Q000627:therapeutic use; D013565:Sympatholytics / Q000627:therapeutic use*
chemical_list: D013565:Sympatholytics; D005996:Nitroglycerin