S. Tokgoz, M. Saydam, E. Olcucuoglu, and O. Kaya, “Comparison of young and elderly patients with rectal cancer in terms of prognostic factors and clinical features: A retrospective analysis ”, Ann Med Res , vol. 27, no. 5, pp. 1442–1447, May 2021, Accessed: Aug. 25, 2026. [Online]. Available: http://www.annalsmedres.org/index.php/aomr/article/view/762