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D003164:Competitive Bidding; D003299:Cooperative Behavior; D006779:Hospitals, Public / Q000458:organization & administration*; D006801:Humans; D017149:Private Sector; D017150:Public Sector; D011682:Purchasing, Hospital / Q000458:organization & administration*; D013222:State Medicine / Q000458:organization & administration; D006113:United Kingdom