Staudacher, C., A. Chiappa, A. P. Zbar, E. Bertani, and F. Biella. “Curative Resection for Colorectal Cancer in the Elderly. Prognostic Factors and Five-Year Follow-up”. Annali Italiani di Chirurgia 71, no. 4 (July 1, 2000): 491–498. Accessed June 11, 2025. https://annaliitalianidichirurgia.it/index.php/aic/article/view/53.