title: Suppliers continue to needle GPOs over contract policy.
mesh_terms: D003284:Contract Services / Q000191:economics*; D004465:Economic Competition; D017754:Group Purchasing / Q000191:economics / Q000331:legislation & jurisprudence / Q000458:organization & administration*; D007615:Kansas; D009339:Needles / Q000191:economics*; D011682:Purchasing, Hospital