Occupational health services in the United States.
Felton
J S
JS
University of California, Irvine.
D005194:Family Practice / Q000639:trends; D005544:Forecasting; D006801:Humans; D007750:Labor Unions; D008511:Medicine; D009314:National Institute for Occupational Safety and Health, U.S.; D009785:Occupational Health Nursing / Q000639:trends; D009786:Occupational Health Services / Q000639:trends*; D009787:Occupational Medicine / Q000193:education / Q000331:legislation & jurisprudence; D013038:Specialization; D014481:United States; D000078329:Workforce