Health hazard surveillance by industrial workers.
D000488:Allied Health Personnel / Q000706:statistics & numerical data; D004779:Environment Design; D004781:Environmental Exposure; D006266:Health Education; D006280:Health Workforce / Q000706:statistics & numerical data; D006801:Humans; D007750:Labor Unions; D007878:Legislation as Topic; D008404:Massachusetts; D009784:Occupational Diseases / Q000517:prevention & control; D009786:Occupational Health Services; D009787:Occupational Medicine; D012449:Safety / Q000592:standards; D014481:United States