9Geoffrey A. Porter MD,Peter W. T. Pisters MD,Carol Mansyur MA,Annette Bisanz MPH,Kim Reyna MBA,Pam Stanford RN,Jeffrey E. Lee MD,Douglas B. Evans MD. Cost and Utilization Impact of a Clinical Pathway for Patients Undergoing Pancreaticoduodenectomy[J] 2000,Annals of Surgical Oncology(7):484~489