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Schneider, Michael; Labgaa, Ismail; Vrochides, Dionisios; Zerbi, Alessandro; Nappo, Gennaro; Perinel, Julie; Adham, Mustapha; van Roessel, Stijn; Besselink, Marc; Mieog, J Sven D; Groen, Jesse V; Demartines, Nicolas; Schäfer, Markus; Joliat, Gaëtan-Romain (2022). External validation of three lymph node ratio-based nomograms predicting survival using an international cohort of patients with resected pancreatic head ductal adenocarcinoma. European journal of surgical oncology EJSO, 48(9), pp. 2002-2007. Elsevier 10.1016/j.ejso.2022.05.002
