The cost of unnecessary tests by day or night.
D019411:Clinical Laboratory Techniques / Q000191:economics*; D003365:Costs and Cost Analysis; D004636:Emergency Service, Hospital / Q000191:economics*; D006748:Hospital Departments / Q000191:economics*; D006801:Humans; D010337:Pathology Department, Hospital / Q000191:economics*; D013997:Time Factors; D006113:United Kingdom