2Hickey PA.Increasing nurse staffing levels in cardiac surgery centres appears to be a cost effective patient safety intervention[J]. Evidence-based nursing,2010,13(4): 102-102.
4Lee A,Chan SK,Chen PP, et al.The Costs and Benefits of Extending the Role of the Acute Pain Service on Clinical Outcomes After Major Elective Surgery[J].Anesthesia and analgesia,2010, 111 (4): 1042-1050.
