A two-year study of myocardial infarction in industry.
D000368:Aged; D003327:Coronary Disease / Q000517:prevention & control*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009017:Morbidity; D009203:Myocardial Infarction / Q000453:epidemiology* / Q000401:mortality*; D009787:Occupational Medicine