Pharmaceutical purchasing practices in large hospitals.
D003365:Costs and Cost Analysis; D003625:Data Collection; D005069:Evaluation Studies as Topic; D006746:Hospital Bed Capacity, 500 and over; D006755:Hospital Shared Services / Q000191:economics*; D010607:Pharmacy Service, Hospital / Q000191:economics*; D011682:Purchasing, Hospital / Q000191:economics*; D013223:Statistics as Topic; D014481:United States