Get a handle on four major cost drivers.
D000556:Ambulatory Surgical Procedures / Q000191:economics*; D003363:Cost Control / Q000379:methods; D017598:Efficiency, Organizational; D007902:Length of Stay / Q000191:economics; D009873:Operating Rooms / Q000191:economics*; D013525:Surgical Instruments / Q000191:economics; D014481:United States