title: Different effects of nitroglycerin and nifedipine on regional myocardial blood flow during pacing induced angina pectoris.
mesh_terms: D000787:Angina Pectoris / Q000188:drug therapy* / Q000209:etiology; D001794:Blood Pressure / Q000187:drug effects; D002304:Cardiac Pacing, Artificial; D003326:Coronary Circulation / Q000187:drug effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009543:Nifedipine / Q000627:therapeutic use*; D005996:Nitroglycerin / Q000627:therapeutic use*; D011725:Pyridines / Q000627:therapeutic use*; D014980:Xenon Radioisotopes
chemical_list: D011725:Pyridines; D014980:Xenon Radioisotopes; D005996:Nitroglycerin; D009543:Nifedipine