Schmidt CM, Choi J, Powell ES, Yiannoutsos CT, Zyromski NJ, Nakeeb A, Pitt HA, Wiebke EA, Madura JA, Lillemoe KD. Pancreatic fistula following pancreaticoduodenectomy: clinical predictors and patient outcomes. HPB Surg. 2009; 2009:404520.