Physicians are responsible for admitting patients and ordering tests. In light of this, what role do hospitals play in assuring appropriate utilization and reducing unnecessary testing and surgery?
D003954:Diagnostic Services / Q000706:statistics & numerical data*; D006761:Hospitals / Q000706:statistics & numerical data*; D006801:Humans; D010819:Physician's Role; D013514:Surgical Procedures, Operative / Q000706:statistics & numerical data*; D014481:United States; D014600:Utilization Review