G. Nappo, D. Borzomati, S. Valeri, G. Mascianà, and R. Coppola, “The Dissection of Para-Aortic Lymph-Nodes During Pancreaticoduodenectomy for Cancer and Its Prognostic Value”, JOP. J Pancreas (Online), vol. 14, no. 5S, p. 584, Sep. 2013.