In retrospect: some pride and more folly.
D000787:Angina Pectoris / Q000175:diagnosis / Q000188:drug therapy / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D005996:Nitroglycerin / Q000627:therapeutic use; D010146:Pain / Q000209:etiology; D013896:Thoracic Diseases / Q000266:history*
D005996:Nitroglycerin