Warning symptoms before major myocardial infarction.
D000328:Adult; D000368:Aged; D000787:Angina Pectoris / Q000175:diagnosis / Q000517:prevention & control; D005260:Female; D006801:Humans; D007407:Interviews as Topic / Q000379:methods; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000175:diagnosis* / Q000517:prevention & control; D010353:Patient Education as Topic; D012017:Referral and Consultation; D013997:Time Factors