C. E. Güldog˘an, E. Çetinkaya, Özgür Akgül, and M. Tez, “Does the preoperative prognostic nutritional index predict postoperative complications in patients with colorectal cancer who underwent curative resection?”, Ann Ital Chir, vol. 88, no. 1, pp. 43–47, Jan. 2017.