Efficiencies gained with standardization.
D019985:Benchmarking; D017598:Efficiency, Organizational; D006801:Humans; D008421:Materials Management, Hospital / Q000458:organization & administration / Q000592:standards*; D009873:Operating Rooms / Q000458:organization & administration / Q000592:standards*; D013523:Surgical Equipment / Q000592:standards / Q000706:statistics & numerical data*; D014481:United States