title: GPOs: still viable, but their role is changing.
authors: Shared Services Healthcare, Atlanta, GA, USA.
authors: J
authors: J
authors: Colonna
mesh_terms: D003659:Decision Making, Organizational; D004465:Economic Competition; D005544:Forecasting; D017754:Group Purchasing / Q000191:economics / Q000639:trends*; D006801:Humans; D009936:Organizational Innovation; D011682:Purchasing, Hospital / Q000191:economics / Q000639:trends; D012380:Role; D014481:United States