title: Prophylactic control of angina pectoris. Double-blind study of prolonged release nitroglycerin.
mesh_terms: D000328:Adult; D000368:Aged; D000787:Angina Pectoris / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D005996:Nitroglycerin / Q000008:administration & dosage*; D010919:Placebos
chemical_list: D010919:Placebos; D005996:Nitroglycerin