Ambulatory care survey shows gain in E.D. contract physicians.
D000553:Ambulatory Care; D003695:Delivery of Health Care; D004636:Emergency Service, Hospital; D006276:Health Facility Size; D008505:Medical Staff, Hospital / Q000600:supply & distribution*; D008511:Medicine; D010557:Personnel Administration, Hospital; D010561:Personnel Staffing and Scheduling; D011320:Primary Health Care; D012017:Referral and Consultation; D013038:Specialization; D014481:United States; D000078329:Workforce