Two 20-year anniversaries.
D049673:History, 20th Century; D006739:Hospital Administration; D006740:Hospital Administrators; D006755:Hospital Shared Services / Q000458:organization & administration; D006777:Hospitals, Proprietary / Q000458:organization & administration*; D009096:Multi-Institutional Systems / Q000458:organization & administration*; D011682:Purchasing, Hospital / Q000458:organization & administration; D013022:South Carolina