Pharmacy and groupmania in the 1990s.
D003284:Contract Services / Q000379:methods; D004465:Economic Competition; D005544:Forecasting; D006755:Hospital Shared Services / Q000458:organization & administration*; D010607:Pharmacy Service, Hospital / Q000458:organization & administration*; D011682:Purchasing, Hospital / Q000639:trends*; D014481:United States