the london school of hygiene cardiovascular questionnaire ( rose questionnaire ) was compared with physician opinion in assessment of angina pectoris in the beta-blocker heart attack trial , a long-term ( june 1978-october 1981 ) , multicenter study of 3,837 post-myocardial infarction patients , half of whom were treated with propranolol and half with placebo .
C0007226
cardiovascular
C0027051
heart attack