A cardiovascular survey of American East Coast telephone workers.
D000328:Adult; D000787:Angina Pectoris / Q000453:epidemiology*; D000886:Anthropometry; D001794:Blood Pressure; D001835:Body Weight; D004219:District of Columbia; D004562:Electrocardiography; D006801:Humans; D007511:Ischemia / Q000453:epidemiology*; D008297:Male; D008396:Maryland; D008875:Middle Aged; D009203:Myocardial Infarction / Q000453:epidemiology*; D009518:New York; D009790:Occupations; D012129:Respiratory Function Tests; D012907:Smoking