Occupational health services for Federal employees.
D003376:Counseling; D003954:Diagnostic Services; D004632:Emergency Medical Services; D006077:Government Agencies; D007114:Immunization; D008499:Medical Records; D009786:Occupational Health Services; D010808:Physical Examination; D012017:Referral and Consultation; D014481:United States; D014492:United States Public Health Service