SanjayP., LeaverH., de FigueiredoR., OgstonS., KulliC., PolignanoF., and TaitI. “Preoperative Serum C-Reactive Protein Levels and Post-Operative Lymph Node Ratio Are Important Predictors of Survival After Pancreaticoduodenectomy for Pancreatic Ductal Adenocarcinoma”. JOP. Journal of the Pancreas, Vol. 13, no. 2, Mar. 2012, pp. 199-04, doi:10.6092/1590-8577/519.