T. Bahadir Arikan, E. Mutevelli Sozuer, U. Topal, F. Dal, and G. Kubra Bozkurt, “The value and prognostic significance of neutrophil / lymphocyte ratio in predicting pancreatic fistula in patients undergoing pancreaticoduodenectomy for periampullary tumors ”, annalsmedres, vol. 27, no. 4, pp. 1214–1220, May 2021.