Epidemiological study on ischaemic heart disease in the railroad employees in Rome.
D000328:Adult; D002784:Cholesterol; D003327:Coronary Disease / Q000453:epidemiology*; D004562:Electrocardiography; D006306:Health Surveys; D006801:Humans; D008297:Male; D008875:Middle Aged; D011890:Railroads; D012384:Rome; D012907:Smoking
D002784:Cholesterol