title: Group purchasers face compliance dilemma.
authors: P A
authors: PA
authors: Perry
mesh_terms: D003132:Commerce; D006755:Hospital Shared Services / Q000706:statistics & numerical data*; D009096:Multi-Institutional Systems / Q000706:statistics & numerical data*; D011682:Purchasing, Hospital / Q000706:statistics & numerical data*; D014481:United States