title: GPOs will need flexibility to stay ahead of IDNs.
mesh_terms: D003284:Contract Services / Q000191:economics / Q000458:organization & administration; D003365:Costs and Cost Analysis; D019033:Delivery of Health Care, Integrated / Q000191:economics / Q000458:organization & administration*; D004465:Economic Competition; D017754:Group Purchasing / Q000191:economics / Q000458:organization & administration*; D009096:Multi-Institutional Systems / Q000191:economics / Q000458:organization & administration; D017008:Negotiating; D014481:United States