Outcome after pancreaticoduodenectomy for periampullary cancer: an analysis from the Veterans Affairs National Surgical Quality Improvement Program.
Billingsley KG, Hur K, Henderson WG, Daley J, Khuri SF, Bell RH. Outcome after pancreaticoduodenectomy for periampullary cancer: an analysis from the Veterans Affairs National Surgical Quality Improvement Program. J Gastrointest Surg. 2003 May-Jun; 7(4):484-491.