Alliances, standardization, cost cutting changing OR purchasing.
D017046:Cost Savings; D017754:Group Purchasing; D008329:Managed Care Programs / Q000191:economics; D009873:Operating Rooms / Q000191:economics* / Q000592:standards; D011682:Purchasing, Hospital / Q000592:standards / Q000639:trends*; D013525:Surgical Instruments / Q000191:economics; D014481:United States