title: Use of atrial pacing to evaluate drugs in angina pectoris.
mesh_terms: D000787:Angina Pectoris / Q000188:drug therapy*; D006321:Heart / Q000187:drug effects; D006325:Heart Atria; D006801:Humans; D005996:Nitroglycerin / Q000627:therapeutic use; D010138:Pacemaker, Artificial
chemical_list: D005996:Nitroglycerin