Quality of life on angina therapy.
D000279:Administration, Cutaneous; D000787:Angina Pectoris / Q000188:drug therapy*; D006801:Humans; D005996:Nitroglycerin / Q000008:administration & dosage*; D010919:Placebos; D011788:Quality of Life
D010919:Placebos; D005996:Nitroglycerin