title: Natural history of unstable angina.
mesh_terms: D000328:Adult; D000368:Aged; D000787:Angina Pectoris / Q000097:blood / Q000150:complications* / Q000175:diagnosis / Q000188:drug therapy; D003645:Death, Sudden; D004562:Electrocardiography; D006760:Hospitalization; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000097:blood / Q000209:etiology* / Q000401:mortality / Q000517:prevention & control; D005996:Nitroglycerin / Q000627:therapeutic use; D011379:Prognosis; D012606:Scotland; D013997:Time Factors
chemical_list: D005996:Nitroglycerin