Prognosis in coronary heart disease among Metropolitan employees.
D000328:Adult; D000367:Age Factors; D000368:Aged; D003327:Coronary Disease / Q000401:mortality*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D011446:Prospective Studies; D014481:United States; D014505:Urban Population