The repeatability at interview of symptoms of angina and possible infarction.
D000787:Angina Pectoris / Q000175:diagnosis*; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis*; D008297:Male; D008487:Medical History Taking; D008875:Middle Aged; D009203:Myocardial Infarction / Q000175:diagnosis*; D011795:Surveys and Questionnaires