Coronary heart disease in seven countries. XI. Five years of follow-up of railroad men in Italy.
D000328:Adult; D000704:Analysis of Variance; D003327:Coronary Disease / Q000453:epidemiology* / Q000401:mortality; D005500:Follow-Up Studies; D006801:Humans; D007391:International Cooperation; D007558:Italy; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000401:mortality; D009790:Occupations; D011890:Railroads; D012384:Rome; D012423:Rural Health; D014481:United States; D014505:Urban Population