Correa-Gallego C, Do R, Lafemina J, Gonen M, D'Angelica MI, DeMatteo RP, Fong Y, Kingham TP, Brennan MF, Jarnagin WR, Allen PJ. Predicting dysplasia and invasive carcinoma in intraductal papillary mucinous neoplasms of the pancreas: development of a preoperative nomogram. Ann Surg Oncol. 2013 Dec; 20(13):4348-55.